Perry Rhodan-Extra 2: Das Antares-Riff (German Edition)

All Planets Are Earth-Like
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Warfare: Im Auge des Terrors. EyeToy: Kinetic - Total Fitness. Theatre of War: Extended. Scholastic Animal Genius. Odysee in Sibirien. My Weight Loss Coach. Ninja Gaiden: Dragon Sword. Kingdom Elemental. In Legend of Galactic Heroes , all planets shown in the series could be mistaken for locations in Earth, with those of one faction more thematically attuned to 19th Century Germany. Comic Books. Watchmen has a single superhuman in the world, Dr. He teleported to Mars just to have some solitude with his godlike powers, he has absolutely no problem to survive there , and later returned and teleported Laurie to Mars as well.

But, being a normal human, Laurie almost died of suffocation in Mars, before Dr. Manhattan remembered that other people need to breathe and created an air bubble for her. Invoked right at the start of With Strings Attached. After Varx offers to whisk Paul to another planet for adventure, Paul who thinks he's dreaming jokingly worries that he might be dropped on the Moon or some other inhospitable place. Varx assures him that they have an oxygen planet all picked out. Later, when the four go on the Vasyn quest, the three planets they visit are very Earthlike one of them being an actual parallel Earth but again, these were all picked out for them.

The impact that even minor differences from Earth that apparently habitable alien planets have becomes a major plot point in the Warhammer 40, fanfic The Misfits. The planets of the Storm Ravens chapter's home system, Octalia, contain extremely low levels of potassium, so the government needs to import supplements from other star systems. This allows the Big Bad to incite a revolt by exposing the fact that the government has been skimming from the supplement fund and allowing the lower classes to suffer potassium deficiency.

Subverted in " Frostbite ". Orvis II is technically Class M Earthlike , but it's in an ice age right now and the site the away team is interested in is located in one of the glaciated areas. Biri points out that Bajor looked about the same five million years ago. Played with in The Next Frontier. The Kerbals have two habitable bodies in their home solar system; the planet Kerbin and Laythe, moon of the gas giant Jool. They draw the obvious conclusion: Terraforming. They're dead right, and boy, were they low-balling the number of inhabited planets Films — Animation.

Films — Live-Action. It's an aversion if the human characters have to wear space suits or at least respirators when on the surface, as with LV in Alien. And in Avatar. The Na'vi, along with every other land animal, are able to breathe in this environment despite it being hostile to the vast majority of earth-like life because the Pandoran life actually evolved there. The low gravity is also why everything is so much bigger on Pandora; it can afford to be, on account of the lower gravity.

Life-bearing worlds are so rare that the galactic races have agreed that no race must be allowed to destroy their world through pollution or war. Thus, if a race nears this stage, it must be "cleansed" from the planet, allowing this world to try again. Hence Klaatu's appalled reaction when the US Secretary of Defense calls Earth "our world," since the galactic races consider even the concept of a race owning their planet to be blasphemous. Averted in Lost in Space. It's mentioned that of all the planets found and examined by the space explorers, there is only one which can support human life.

Pitch Black : It's a desert planet, obviously hotter than hot. How it supports such an oxygen rich, earth-like atmosphere complete with rain is never explained. The sequel features improbabilities such as Crematoria; indeed, the fact that the "most hostile" planet by Riddick's own account still sports a breathable atmosphere and earth gravity suggests that there may be no celestial bodies devoid of atmosphere. Lampshaded in Galaxy Quest. When a character opens a shuttle door, another character points out that they don't know anything about the planet. Fortunately, there was indeed breathable air Star Wars.

Most notably, pretty much every world visited in the films has Earth-like gravity, regardless of size or composition. It's not most definitely not a normal planet, but while the belly of the gigantic space slug in The Empire Strikes Back lacks a breathable atmosphere, it apparently has normal gravity and pressure. Odd, as it's inside an asteroid in deep space. Maybe the Millennium Falcon was able to extend its artificial gravity field or the asteroid field as a whole had some kind of atmosphere. Also in The Empire Strikes Back , Bespin apparently has a breathable oxygen-nitrogen atmosphere despite being a gas giant.

This is probably actually more realistic than the space slug incident; it's theoretically possible that a thin layer of breathable atmosphere could exist in the upper atmosphere of a gas planet and if it's Saturn-sized or smaller then the effective gravity in its upper atmosphere could be Earth-like. But that'd be an incredibly convenient coincidence.

At the very least the planet Felucia possessed a very unique looking, completely alien ecosystem. Even though it seems to suffer from similar atmosphere and gravity Mustafar is the only notable aversion in the movies. It's a volcanic planet with an atmosphere choked in ash. The Separatist facility seen has a forcefield keeping the air breathable, and everyone seen outside of it is either a Mustafarian, a Force user or wearing a helmet or breathing mask. Coruscant, despite being far closer to the center of its galaxy than Earth is to the center of the Milky Way and having three moons, is nonetheless identical to Earth in atmosphere, mass, diameter, rotational period and orbital period.

Maybe it even has the same continents as Earth, if you can actually find them underneath the enormous cityscape that literally covers the entire planet. The prequels and EU offer some subversions, species that evolved to breathe ammonia or methane instead of oxygen. Not mentioned in the films, but mentioned in the EU, Kashyyyk and the moon of Endor are said to have quite a bit lower gravity than standard.

Hence the incredible size of some of the flora and fauna. And the fact that the Ewoks' primitive gliders are capable of flying, whereas on Earth they would never generate enough lift. Given that almost all of the primary characters are human, though, it is likely that it's more of a form of selection bias, i. Animorphs : Mostly averted, with similarities generally being more by analogy, such as Andalite vs.

Earth grass despite theirs coming in shades such as red. The Yeerk planet is completely different and unpleasant. The Ellimist Chronicles features the interesting case of the Ketrans. Their home planet features giant floating crystals upon which the Ketrans live above acid oceans and an atmosphere that seems to consist mainly of hydrogen. When their home planet is invaded they flee in a newly built spacecraft to search for a new home, assuming that All Planets Are Ket Like. But, as anyone familiar with the Animorphs verse knows, the truth is that All Planets Are Earth-Like , and thus inhospitable to Ketrans.

Played with in the Antares series: most star systems resemble Sol, with a single habitable planet. There are no named uninhabitable solid planets. However, it is implied that just like Sol, there are a number of uninhabitable solid planets in most systems - New Providence, for instance, is identified as the seventh planet in the Napier system. Presumably, the other planets are simply unimportant. Played with in the book Anywhere But Here.

The heroes, a married couple, take off for space, going to planets that are already colonized and have people and aliens living on them. However, once the navigation system on their camper truck yes, a converted camper truck goes haywire, they quickly end up on a series of planets that aren't on the map. There's one very short stop at a planet filled with some kind of unbreathable for humans gas. They get stranded for a few days on a planet with breathable air, but everything melts like plastic when exposed to fire, including some of the rocks, and is inedible.

The local water isn't good for them either. Isaac Asimov 's The Early Asimov : Dr Asimov discusses the way he was influenced by the other pulp magazines to include several earthlike worlds when he was writing " The Callistan Menace ". He claims to have known that it was improbable to the extreme even then. Used with twists in The Citizen Series : uninhabitable planets are simply ignored by the characters due to the nature of Faster-Than-Light Travel involving transiting into and out of the Continuum directly onto planet surfaces or into the atmosphere.

Even then there's variety: Nengue is volcanic and only marginally habitable, settled only to support a trading post between the Cutter Stream and the Riders. Mudball is geologically inert and has nothing but single-celled life fortunately, most of it is photosynthetic algae so the atmosphere is breatheable. Allenson also once endures miserable conditions besieged during a monsoon season on a perfectly Earthlike planet. Subverted by many works by Hal Clement , who would go to great lengths to invent non-terrestrial planets and populate them with believable life forms.

Subverted in the CoDominium universe. Life-bearing worlds are common, but they aren't always fully compatible with Earth life. Nonetheless, most have at least a few areas where very hardy humans can survive, albeit with high mortality rates the poles of Fyrstaat and Tanith, the equator of Haven. A rare few, like Sparta, are nearly ideal for Earthlife, if slightly off in gravity and length of day. And some worlds, like New Caledonia, require extensive terraforming.

The alien-inhabited Mote Prime requires respirators. Hamilton 's Commonwealth Saga , where wormhole technology allows the ever present CST to use its exploration wormholes to scout new solar systems for "H-congruous" planets capable of supporting human life. The Commonwealth spans a vast amount of space, and most intervening systems between H-congruous planets are untouched completely by humans.

This is demonstrated in the first book, Pandora's Star , where an exploration team finds a planet that appears to be H-congruous, but the planet is rejected when the discovery is made that every single plant on the planet shoots or secretes acid. Suspicions are raised when the survey team notices none of the animal life will stand still for any significant length of time on the local grass equivalent. Hamilton's other big book series, The Night's Dawn Trilogy , averts this trope as well, with habitable planets being classed as "Terracompatible".

The Cosmere : All planets we've seen can support human life. While most of these planets have god-like Shards who either explicitly or implicitly terraformed the planet, there are also worlds without Shards that are still very close to Earth normal. Per Word of God , Scadrial is a direct parallel to Earth, with identical time, environment, gravity, ecology not counting when it was the World of Ash , and even culture.

On the other hand, The Stormlight Archive 's Roshar is only able to support human life in the most liberal sense of the word. Years are five hundred days long but the days are shorter so the year only ends up ten percent longer than Earth normal , gravity is seventy percent of normal, oxygen content in the atmosphere is a bit higher, most of the animals are some variety of arthropod, the plants look like things you'd find underwater, and world-breaking highstorms blow from east to west every few days.

In the Darkover series, the titular planet itself and the hundreds of planets making up the Terran Empire. Also subverted by Robert Forward in his novel Dragon's Egg. The planet in question is a ball of neutronium, the aliens are amoebas, and you STILL empathize with them. In the Dune universe there presumably are plenty of non-Earthlike worlds, but they're not mentioned because nobody lives there.

Fallen Dragon , by Peter F. Hamilton , averts this trope as well. Pretty much no planet is completely suited for human life. For all of them, extensive terraforming is required before sending in the colonists. Amethi was a frozen world with very little atmosphere when the first settlers came, and a scene depicts the startled reactions of a bunch of children who see a cloud for the first time.

On Thallspring the soil bacteria and other biota make it necessary for the Mega-Corp running the colonization efforts to clear out all life in large swaths of land via periodic orbital gamma laser "soaks", in preparation for colony expansion. The process is stated to kill all bacteria down to a few meters underground. Santa Chico has a very high oxygen content, and its biosphere is a biochemical and medical goldmine , which is why the colonists modified themselves to adapt and eventually began using Organic Technology , only to revert to a agrarian society of bizarre xenophobic Furries once they grew bored with the Mega Corps periodically plundering their planet.

In Jack Chalker's "Four Lords of the Diamond" novels humanity discovers a solar system with four Earthlike planets - completely unheard of. It's only at the end of the series that they discover that the four planets were artificially constructed by an alien race as nurseries for their young. While it seems to be the case in The History of the Galaxy with several hundred human colonies in known space, that number is only a tiny fraction of the total number of colony ships sent out during the Exodus.

According to the author's website, that number is This means that the vast majority of those ships never found a habitable planet to settle. In fact, humanity's very first extrasolar colony ship Alpha ended up in a system with a barely habitable planet and had to implant colonists with metabolism adjusters that drastically reduced their lifespans, just so they could survive on the surface.

One planet is known for being entirely covered in ice. The colonists there had to build marvelous subglacial cities that are now largely empty once contact with other, nicer colonies was reestablished. One novel mentions that anyone, who finds an unsettled habitable world, can expect to retire incredibly wealthy on the finder's fee alone. In recent years, corporations are starting to settle new worlds with machines in order to build up colonies and prepare planets for settlers i.

Honor Harrington : Played more or less straight, but there are subversions and at least one deconstruction. The Manticore system is extremely unusual for having three Earthlike planets partly a result of the very large habitable zone created by its Binary Suns , and part of the Star Kingdom's backstory is that Manticore was so Earthlike that a native disease crossed the species barrier and killed the majority of the first wave of colonists. The creation of a constitutional monarchy and noble class was a solution for the survivors wanting to maintain political power over the replacements the colony recruited from offworld.

Meanwhile Grayson looked Earthlike from a distance but turned out to have horrifically high concentrations of heavy metals. And San Martin's gravity is so high that people can't live at sea level because the atmosphere becomes dense enough to kill an unprotected human. Done to extremes with the very Texas-like planet of Montana that just happens to have a lot of animals that are almost exactly like real Texas animals. And everyone is a stereotypical ornery cowboy. It was handwaved by describing it as a planet colonized by very Texan-like people determined to preserve stereotypical ornery cowboy lifestyle.

Averted in The Interdependency series. In the years humanity has explored the galaxy although, to be fair, the number of systems is actually only 47 due to Hyperspace Lanes , only one Earth-like planet has been found. Every other world is either a barren rock or a gas giant. Oh, and the link to Earth itself was lost over a millennium ago. Thus, most of humanity lives aboard space stations or in domed cities, with only a few million living on End, the habitable world. In fact, most people are so used to living in controlled environments that they view End as a shithole, partly because it's so far away from Hub, the center of the Interdependency.

With the looming collapse of the Hyperspace Lanes , End is liable to be the only human colony to survive because it doesn't need machines to support the population. Played straight in the Russian children's story " Journey to the Morning Star ". Given that the story was written in and meant for kids, this is expected. The Lado system in the Coma Berenices constellation has three planets, all of which are or were Earth-like. The first planet, Aeo Tau the titular "Morning Star" , is a virgin world full of prehistoric creatures such as dinosaurs. The second planet, Sino Tau "Thunder Star" is a lush paradise with an advanced race of Human Aliens who are constantly at war with one another.

The third planet, Etheri Tau "Cold Star" is the oldest of the three and is no longer capable of supporting life, although it was once much like Aeo Tau. The Etherians are Human Aliens who have lived underground for thousands of years but must now relocate to Aeo Tau to survive. Averted for the most part in Junction Point. Humans can survive on Mulolowa for extended periods of time, but it's far colder than Earth, with a thinner atmosphere.

Ktrit, by contrast, is a tidally locked nightmare of a planet where the gravity is five times stronger, the weather far more violent, and water boils at the equator when it's noon. Most of these were seeded with microbes as food sources by the Slaver empire, which died out billions of years ago, explaining why so many of them are biochemically cross-compatible ; humans and Kzin, for example, can eat each other. Non-Earthlike worlds, such as high-gravity Jinx with its vacuum-exposed tidal "poles", and Plateau with its single livable mountaintop sticking up out of a high-pressure toxic atmosphere, were settled by humans whose early interstellar probes were rather poorly programmed regarding what kinds of places to green-light for colonization.

Specifically: the probes were programmed to radio back "come on in, the water's fine" if their sensors detected Earthlike conditions anywhere on the planet. Fair enough, you'd hate to reject a whole world just because a few places are a bit too hot or too cold; Earth is too hot or too cold in a few places.

But the total area on Plateau where humans can live is only about the size of California, and We Made It was settled because the probe checked during one of the seasons it doesn't have constant three hundred mile per hour winds. Played straight in H. Subverted in his work Uller Uprising , with the planets Uller Breathable air and tolerable gravity, but silicon-based native life and Nifflheim hideously poisonous mining planet.

Lorien Legacies , despite playing a lot of sci-fi tropes straight, averts this. There are only eighteen life-bearing planets in the entire universe, hence why the Mogadorians are trying to conquer Earth after wrecking their own planet. Played with in Mark Delewen and the Space Pirates ; although the planets visited are Earthlike, the main character can't believe they are and worries about whether he can breathe the air.

Present, after a fashion, in much of Murray Leinster 's work. In one of the Med Ship stories, the author notes that though non-Terrestrial ecologies are rarely strongly similar to Earth, they tend to be broadly similar, with grass-like plants, tree-like plants, pollinating flying creatures, prey species, predator species, scavengers of various sorts, etc. Most non-Terrestial ecosystems are somewhat compatible with Earth life, which can keep the Med Service very busy. Mission of Gravity : Subverted. Mesklin is not only extremely cold, but its day is less than 20 minutes, so it's lens-shaped rather than spherical.

The equator is only barely reasonable for humans to visit with assistance. Confirmed and subverted in the Perry Rhodan series. But it's also full of hot and heavy planets suitable for hydrogen-breathers, though oxygens-breathers and hydrogen-breathers rarely interact in day-to-day life. Also, many of of the earth-like planets have extreme environments, requiring genetic modification from the settlers. Averted in Alastair Reynolds 's Revelation Space universe.

Most planets are barely habitable and human inhabitants require bases with constant life support to survive. The only planets with breathable atmospheres tend to be the Juggler waterworlds, which have oxygen atmospheres. By far the only really Earth-like planet is Sky's Edge, which has a breathable atmosphere and didn't even require much terraforming , but it's native life is inedible to humans , there are no analogues of vertebrate animals, a lot of the fauna is pretty nasty and dangerous and even the history of the planet's colonization is far from idyllic.

Also, Resurgam was once a very earthlike planet - until the local civilization of avian humanoids got wiped out during a mysterious cataclysm. Forthorthe in Rokujyouma no Shinryakusha!? Humans can eat its food, drink its water and breathe its air without a problem and Forthortheans can do the same on Earth. When Koutarou is suddenly transported there, he initially doesn't realise that he's on an alien planet.

Forthorthe does have fantasy creatures like dragons, though. Averted in James White 's Sector General novels, about a deep-space interspecies hospital. There are codes for different kinds of species, and some parts of the hospital have atmospheres that aren't breathable by humans. Cleanly avoided in the Star Carrier series.

There are Earthlike planets out there, as indicated by the Sh'daar numerical designation for humanity including our preferred atmosphere and the fact that the Agletsch don't seem to have a problem with it, but they are few and far between. Only two human-settled alien worlds allow the colonists to survive unprotected: Osiris and Vulcan which happens to be located exactly where Star Trek 's Vulcan is supposed to be , and of the two, only Vulcan has edible native life Osiris has Mirror Chemistry. Unfortunately, one of the hostile races humanity later encounters has evolved on an Earth-like world even though they look like large balls with dozens of mouths and is capable of digesting terrestrial life forms As it was written before modern astronomy, the Moon was earth-like, albeit filled with all sorts of wacky monsters, but then it gets really weird when it turns out there is also a civilization and people, and trees on the Sun.

Robert A. Heinlein 's Tunnel in the Sky plays with this: Averted, in that not all planets are Earth-like. Rod watches a diplomatic envoy from a race of chlorine breathers arrive on Earth before taking the test. Discussed between Matson and Rod. He wears it on Earth, at the beginning and end of its existence. The Twelfth Doctor breaks out the spacesuits again in "Kill the Moon" , for obvious reasons. All the inhabited worlds in Firefly were deliberately terraformed , though they each have their little quirks. The core planets, which have been extensively terraformed, are comfortably temperate in climate.

The rim planets, where all the poor people live, tend to be a bit more on the arid side which helps with the general Space Western aesthetic of the show. Sliders , which dealt with Earths in parallel universes , mentioned once or twice that the nature of the wormhole would keep it from dropping the heroes in universes that were patently incompatible with human life.

Or inside rocks. Although it did once briefly drop them on an Earth that was covered completely with fire. Of course, they were standing in the one safe spot, and the fire was alive and followed them. Space: Above and Beyond uses Earthlike planets in some episodes the war with the Chigs starts when they destroy a pair of Earth colonies on extrasolar Earthlike planets , but the majority of planets visited don't have atmospheres breathable by humans and the Chigs require a different mix of gases altogether.

Then the Grand Finale reveals this to be false. The Chigs can actually breathe the same air as humans, they've just gone out of their way to keep their real appearance hidden They actually claim that they come from the same primordial DNA as all life on Earth, having been spread to their homeworld by Panspermia. Stargate : Stargate SG-1 : Used liberally and frequently made fun of.

Most of the planets in the series are fairly Earth-like, though there are some exceptions where the team has to wear special space suits to explore them.

Summary Bibliography: Robert Feldhoff

This is explained as the Goa'uld and before them, the Ancients having terraformed the planets millennia in the past. And once again, Stargates are placed by once-humanlike Precursors who would have no reason to put one on a world that would kill you the second you exited. And then, there are those examples where Planets are absurdly present-day Earth-like to the point where Ikea furniture would fit right in.

Particularly common in later seasons and "Atlantis". Lampshaded in "Prodigy", when Carter's arrogant young cadet emerges from the Stargate and says, "So this is another planet? Doesn't look that different from home. Most of the alien worlds, as stated, look almost exactly like the woods around Vancouver so the audience wouldn't be too surprised to have an episode open with a Jaffa running through one of these alien forests O'Neill takes a swipe at this and at California Doubling at one point. Dixon takes bets on what they're going to find on the planet. One of his mauve shirts pipes up with "trees".

Dixon says he's "disqualified for being a smart-ass. Sam gets a look at the surface outside and declares it's an ice planet and there's no way out. In actual fact, they're on Earth, in Antarctica, which was a temperate zone when the Beta Gate was built there millions of years ago. Stargate Universe averts this and Human Aliens by having most worlds visited barren and lifeless and mostly only good for picking up the one or two useful natural resources before moving on.

And SGU is a good example of why this trope falls under Acceptable Breaks from Reality : barren rocks really aren't that interesting of a setting. However, sometimes the ship stops at a planet automatically, and the team will explore others that happen to be in range.

All Planets Are Earth-Like

The ship rarely stops at nasty ones, but with these others, you're rolling the dice. And as always, the then-humanlike builders of the gates and the ship have no reason to put gates on useless or deadly worlds. Presumably, if not for Q's abilities, Jean Luc Picard couldn't have breathed on that surface. Many alien planets have been described as having the equivalent of orchids, vultures, cats, and other terrestrial-specific animals as well as Human Aliens and Rubber-Forehead Aliens. The Klingons even have coffee. The planet Elba II had a poisonous atmosphere that would kill humans breathing it before very long, "The Way to Eden" had a planet that was technically habitable right sunlight and air quality , but all the flora excreted a deadly acid, and the fruit was lethal.

The TOS Writer's Guide acknowledged this trope right from the start: the formal orders to the captain of the Enterprise found therein contained instructions that the ship would mostly confine its operations to Class-M planets, though the ship did, of course, carry spacesuits. Zigzagged in The Wrath of Khan. The planet Khan was found on had been Earth-like but had since become fairly toxic.

Averted in Star Trek: Voyager episode "Demon". A class-Y planet is colloquially known as a 'Demon' class planet because it's as harsh as the class-N Venus. The fact that the recurring Benzite species in The Next Generation and Deep Space 9 are one of the few species shown that can't breathe normal air without a special device implies that their homeworld, Benzar, is not Earthlike.

But there are also episodes where the reason for the crew to look closer is that the planet, or an area on it, is Earth-like when it shouldn't be Sufficiently Advanced Aliens did it. And frequently enough in all Star Treks, "only" one or two planets in a system will be "Class M" that is, Earthlike and no one ever beams down or lands on a planet without checking first. Sometimes the checking is offscreen, but if the away team know how to dress, they probably also know the air won't kill them them the second they arrive. Then, there are the in-betweeners planets that are nearly Earthlike and can support the away team with the busted shuttlecraft but only for a short time is a common setting.

So all planets in Trek aren't Earthlike — but there are certainly a lot of them, and close to Earth, and it is a striking coincidence that the planet a shuttlecraft crashes on almost always happens to be something that can support the away team long enough for them to be overdue getting back and the others to go find them. In episode of Enterprise, Tucker crash lands on a small planet that is habitable while it is night time. Once the planet rotates to face the sun, it is uninhabitable for human life, as it is too hot. The Tholians seen in TOS and Enterprise, and referenced in the other series were hermaphroditic, insect-like humanoids who lived in an environment of around Kelvin.

Presumably their homeworld was very much unlike Earth. Zigzagged with the Breen. The thermal suits they wear constantly seemed to suggest their homeworld was a frozen wasteland, but according to Weyoun the world of Breen is actually quite temperate and presumably Earthlike. Tabletop Games. Mars has an ancient civilization based around their canals, although they have lost the technology necessary to build new canals or even to maintain their cities. Enough that the fourth edition had you deciding whether you wanted an Earthlike planet to start with and then designing the physical characteristics with that in mind.

In BattleTech , 'Earthlike' is variable. No planet is exactly like Earth in terms of comfort for humans, which is commented on by those who are lucky enough actually travel there. Most of the settled worlds are fairly close, though there are wild exceptions, like the domed cities of Sirius V the atmosphere is poisonous , or Tharkad, the Lyran capital, which is in a pole-to-equator Ice Age. Justified in that Humans would naturally pick the Earth-like planets to settle first.

The Star League in its heyday did in fact do rather a lot of terraforming and other mega-engineering projects. Then the Succession Wars started and military budgets took priority over such expensive flights of fancy and massive terraforming projects stopped. Warhammer 40, averts this trope pretty impressively.

The Imperium of Man classifies planets into several different categories, some of which are Earthlike. Even within a category there is enough variation that most planets aren't a Single-Biome Planet. And being the kind of universe it is , most of the settled planets are not, in fact, habitable. The Imperium seems to absolutely love settling worlds that humans can't actually expect to survive on. Theme Parks. Adventure at Universal Studios reveals that E. Although it's fair to assume not all inhabitants survived the event, most species retained a breeding population, and were able to function on the new planets with no apparent alterations to the atmosphere or gravity.

Furthermore, two of these "planets" are actually moons of the bigger planet, yet the inhabitants didn't seem to suffer from a day long day-night cycle. Then when Spherus Magna was restored to its Earthlike state, there was no mention of increased gravity whatsoever. Video Games. Averted and played straight in SimEarth. Depending on the player actions, the planet could be just like Earth, or something else altogether. Life that evolves on the planet will be Earth-like however.

In the old Star Trek game for the NES, players could technically only land on planets with breathable atmospheres, but all that it actually meant is that the designers only made planets with oxygenated atmospheres. The rest are just there as a backdrop. On one hand, you have planets such as Cambridge or Stuttgart, full of fertile farmlands, or Cura, a planet full of heavenly beaches; but on the other hand, you also have planets like Pittsburgh, a barren, deserted wasteland punctuated with mines, or California Minor, a little frozen ball under terraforming.

Most of these planets are covered in rocky pine forests. In the Homeworld series, while Hiigara falls under this trope, Kharak is only partly habitable, being a harsh desert planet that only the poles are comfortably habitable, while maintaining. Justified in the fact that since the original Hiigarans were exiled there, the planet must've been chosen specifically as being harsh, but not too inhospitable.

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Except the prequel Homeworld: Deserts of Kharak reveals that Kharak is getting less habitable every year, with the great desert pushing back on the habitable areas at the poles. This is why the Northern Coalition is investing heavily in space travel. It's either space or extinction for them. The Gaalsiens don't agree, though, citing an ancient prophecy about the god Sajuuk raining death from above for transgressions they're actually right, in a way. Meteos averts this trope.

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There is only one Earth-like planet in the game; every other planet is pretty much unique and un-Earth-like in its own ways. Some of these are not even planets at all. Intelligent life, in this series, have sprung up on dwarf planets, asteroid clusters, dimensional rifts, interstellar gas clouds, neutron stars, and even mythological realms. Mass Effect notably averts this; the vast majority of the planets encountered are actually very hostile to human or most lifeforms.

This makes those inhabitable worlds that can be found all the more valuable. A few planets actually are more like subversions, too. Like Nodacrux, the planet with a much higher oxygen concentration than Earth's. It's enough for humans to feel plenty comfortable, like being in a hyperbaric chamber Not to mention huge insects and plants that give off pollen that causes death by allergy in seconds. Even planets that humans actively colonize aren't all Earthlike. Eden Prime, which you visit at the beginning of the game, is pretty close to Earth, except for its sixty-four hour days. In Mass Effect 2 , most of the planets you visit are at least partially Earthlike.

Key word being visit : you only ever touch down on planets with some kind of habitation, even if it's just a tiny mercenary resupply point. Also, the Blood Pack have a base set up on a world that's filled with gas that's toxic to all your crew members but the Vorcha can live there fine. Mass Effect: Andromeda is basically about the main character trying to find an actual Earth-like planet for galactic colonization, after all the scanned "Golden Worlds", supposedly Earth-like planets, turned out to be Death Worlds.

Later on in the game, the earthlike-ness turns out to have been because a group of sufficiently advanced aliens went to a lot of trouble to make them nice and cosy for their own ends. Space Quest III: The Pirates of Pestulon sort of averts this with the Planet Ortega, which while the atmosphere is breathable, the surface is too hot for humans who don't have special clothes.

Averted in the Master of Orion series. Terran class planets exist, but so do Toxic , Desert , Ocean , Tundra etc. Terraforming can help make them more habitable. Subverted in Earth The game takes place on a number of celestial bodies in the Solar System and around the nearby stars one mission takes place on a very large comet , but of these, only 2 planets are actually suited for human habitation.

One of the is a desert planet reminiscent of the one in Stargate complete with ancient alien pyramids , while the other is a very Earthlike planet called Eden. The main characters are visibly surprised when they see a video from the surface, and some even suspect that it's actually old Earth footage. All of the above locations are made a bit less pleasant by the Morphidian presence. For most part, StarCraft averts this, as the vast majority of planets in the Koprulu Sector are said to be largely inhospitable to human life. In the original game, only Aiur appears to be anything close to an Earth-like planet, with most other planets supporting permanent human habitation depicted as semi-arid wastelands.

According to the backstory presented in the manual , the colony ships were originally sent to colonize a habitable planet that was one year away from Earth, but ended up traveling blindly through space for twenty eight years when their navigation systems shut down. The supercomputer controlling the ships forced them to land on the nearest habitable planets before life support systems failed.

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Expanded universe materials and the sequel game expand the number of Earth-like planets, with Umoja, Agria, and Meinhoff being notable examples. Korhal IV also used to be a nice place to live, but most of the planet was flattened by nuclear missiles before the start of the first game.

WarCraft only has three explicitly known planets, Azeroth, Draenor, and Argus, all of which are or were very earth-like. Draenor was ripped apart by magical experiments and drained of its life by demonic influence , which makes it a very alien place What else is left of the planet still qualifies as earth-like as far as this trope is concerned. Life is still possible even though half of the zones have no water or any plantlife other than herbs, but that's more an issue of Gameplay and Story Segregation. However, the alternate Draenor players visit in Warlords of Draenor is set in the past before all the aforementioned planetary corruption happened and looks perfectly normal for the most part.

Argus was turned into a smoldering Death World by the Burning Legion before being made into their central base planet, but flashbacks in Legion show that it used to be just as earth-like as Azeroth and Draenor. The Lunarian Moon no, that's not redundant in Final Fantasy IV has a perfectly breathable atmosphere and its gravity is identical to the heroes' homeworld.

Just ignore the man-sized viruses and the killer plates of flan. Invoked in Ultima Underworld II , when Iolo expresses concern that one of the facets of the gem might transport you to a planet of poisonous gas or an ocean floor. And the game doesn't hide the fact that even such "earthlike" planets are very rare.

Instead of xenofungus, colonists have to deal with poison gases that can easily kill unprotected humans. There are three main approaches to dealing with the planet: Harmony biologically modifying humans to survive there , Supremacy turn humans into cyborgs who aren't as susceptible to the hostile environment , and Purity aggressive Terraforming in order to make the new planet into a second Earth. The Escape Velocity games feature all kinds of planets, including gas giants. The most you'll ever see of one, though, is a little pre-rendered image. Many of the ones that you can actually interact with are habitable for one or another reason.

Star Control 2 averts this trope: it has at least 50 types of planets. The kinds that support humanoid life are rare; many—not all—races come from home planets of these types and among them water worlds as are known there are included those with temperatures so high that lack oceans as well as those so cold their water is frozen. Each type has common characteristics—likely minerals, ranges of size and strength of gravity, tectonics, and so on.

All but gas giants can be landed on and explored via Lander vehicles. Galactic Civilizations II , with all of its expansions in, finally adds toxic, ocean, high grav, barren and other world types. However, you can research technologies to colonise all of them.

Except possibly on the highest "usable worlds" setting, nearly all of the worlds you encounter are not only not earthlike but completely uninhabitable quality 0 gas giants or tiny balls of scorched or frozen rock. Although there are weird mega-events that occasionally roll through and turn an entire system into medium to high quality potential colonies, regardless of the size or nature of the planets. Star Ocean: Till the End of Time is guilty. Although there are a variety of planets not suitable for humans to live on or those where it'd be very difficult for them to thrive , the main party always conveniently lands on one where they can breathe the air and move around comfortably despite any effects of the gravitational fields.

The 4D beings designed things that way. Subverted in the Halo series. It's revealed in the expanded universe that it often takes decades of terraforming to make a colony world suitable for human use. There's also an outright aversion in the Grunt homeworld, which has a methane atmosphere. Space Colony averts this with no planets capable of supporting life without assistance, the planet range from barren, to volcanic and a few that have a bit ''too' much life on them.

Averted in Star Ruler where some planets have a charred appearance and are clearly not Earthlike. Comprehensively averted in Space Empires IV , in which you set your race's preferred atmosphere and planet type ice, rock or gas giant and start out only able to colonise those. Averted in the X-Universe.

There are a fair number of Earthlike planets most of which are colonized by the Argon , but plenty are decidedly not Earthlike and still inhabited. The Boron homeworld Nishala is an ocean planet with an ammonia atmosphere, and the Terrans' Lost Colony Aldrin is an airless planetoid that presumably uses pressure domes or the equivalent. The Terrans also have settlements on several objects in the Sol System other than Earth. And that's before you get into the many planets that are absolute uninhabitable hellholes covered in lava flows or what-have-you. While Endless Space probably has more Earth-like planets than would be possible in Real Life , there are also a lot more planets that are inhospitable, although colonization is possible after extensive research.

Even terraforming may be possible closer to the end of that research branch, although gas giants and asteroid belts which can also be colonized can never be turned into hospitable planets. Gaea is the third planet like Earth but lacks a satellite. Despite this, it has plant and animal life, even though it would be difficult for them to evolve without tides. Rhea is the second planet like Venus but has the same conditions and even life forms as Gaea. The game implies the presence of a Moon-sized satellite prevented a Venus-like greenhouse effect. The rest of the planets are similar to Solar System planets.

All planets including satellites and asteroids except for gas giants are colonizable. However, the late-game reveal that the two habitable planets were seeded by the H'riak may imply that this is not a natural occurance. The existence of the Centaurians also implies a habitable planet in the Alpha Centauri system, although whether it's habitable for humans is anyone's guess, as nothing is known about the Centaurians except that they're Absolute Xenophobes.

Averted in No Man's Sky. That doesn't necessarily mean that the non-earthlike worlds or barely earthlike worlds will be useless, though: a barren world may have more valuable resources in it than an earthlike world. Played with in The Mandate as the Osmani faction had the unfortunate luck of having their colony ship land are a very hazardous world.

This forced them to become cyborgs in order to survive. Averted in Outpost. No star has an Earth-like planet in that game, at least until you develop terraforming and the friendliest one are those that are Mars with the Serial Numbers Filed Off , with planets there being identical to Real Life Solar System bodies including even two moons and two minor planets in everything but surface features.

The game's demo showed different planets, but it was one of the features missing on it see entry for Outpost2 for more. In Spore , all the planets are rocky and have plant life albeit some very bizarre ones on them. Justified, as each planet is where your creature will live and evolve. This trope is utterly averted in the Wide Open Sandbox Space Stage, where most planets are T0 inhospitable rocks, and the few life-bearing planets are mediocre T1.

A nice naturally-occurring T3 planet is fantastically rare. If you want a nice planet, you'll need to Terraform it. Stellaris does have planets that aren't inhabitable, such as gas giants, "barren worlds" including Mars, asteroids, most moons , and toxic worlds. And inhabitable planets themselves are divided into eleven types Earth is "continental" and species favor the same type of planet they were native to, though populations can be genetically modified to favor different planet types and inhabitable planets can be terraformed into different types.

And Tomb Worlds, which are nuclear wastelands inhospitable to everyone not native to such planets. Part of defining an alien race is specifying its ideal and habitable range for temperature, gravity, and radiation, which determines which planets your colonists can survive or thrive on. Mostly averted in Kerbal Space Program —since it's based on the real solar system, only the third planet from the sun, "Kerbin," is Earth-like.