Asteroid Thicket: Difference between revisions

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{{trope}}
[[File:gradius-meteor.jpg|link=Gradius|rightframe|[[Bullet Hell]]? More like [http://www.youtube.com/watch?v=DxATMfC1H_k Asteroid Hell] ]]
]
 
{{quote|'''Leia''': "You're not actually going IN to an asteroid field?"<br />
'''Han Solo''': "They'd be [[Try and Follow|crazy to follow us]], wouldn't they?"<br />
'''Leia''': "...you don't have to do this to impress me."|''[[Star Wars]]: [[The Empire Strikes Back]]''}}
|''[[Star Wars]]: [[The Empire Strikes Back]]''}}
 
In science fiction movies and TV, asteroids form a vast, hyperkinetic, obstacle-strewn [[Death Course]]: Enormous rocks spin like tops and whiz around all over the place, frequently even smashing into each other. Trying to navigate one is like asking a chicken to cross a busy Los Angeles freeway during rush hour: Small nimble spacecraft flown by skillful [[Ace Pilot|Ace Pilots]]s (i.e, the protagonists) ''may'' be able to slalom through without getting reduced to space dust, but [[Aerial Canyon Chase|any pursuing enemy fighter ships will get picked off one-by-one by giant, malevolent space boulders]]. Any capital ship who can't just blast a path through them with its [[Wave Motion Gun]] will have to rely on their [[Deflector Shields]] to bounce the rocks off.
 
It's unfortunate that [[Real Life]] asteroid fields, while they do exist, don't have such a flair for the dramatic; [[Real Life]] asteroids are strewn much farther apart from each other; ''so'' far that the chance of even ''seeing'' one (let alone crashing into one) is pretty much nil; scientists have sent space probes through our friendly neighborhood asteroid belt for decades (and haven't lost a single one in the process).
 
Conversely, planetary rings are (relatively) much more sparse in fiction than real life --denselife—dense. Voyager 2 flew through Saturn's G ring--onering—one of the fainter rings--oncerings—once, at an angle, and there was [http://spaceflightnow.com/cassini/040612soi.html "lots of evidence of micrometeroid hits"] on the quite small 4-meter diameter probe. However, aspiring SF writers should know that these planetary ring systems are mostly made up of ice and rocks 0.01 to 10 meters across.
 
A subtrope of [[Artistic License Astronomy]], [[Space Does Not Work That Way]] and [[Sci -Fi Writers Have No Sense of Scale]].
 
Compare [[Space Clouds]], a trope about the similarly unrealistic portrayal of nebulanebulae in fiction; also [[Vulcan Has No Moon]] for when objects in space are visible in locations where they make no sense (either due to the science or due to pre-established canon). Also compare [[Conveniently -Close Planet]] - an [['''Asteroid Thicket]]''' could be considered "frustratingly close asteroids". A space born equivalent to an [[Aerial Canyon Chase]] will take place in one.
{{examples|Examples:}}
 
{{examples|Examples:}}
== Anime and Manga ==
* In the second season of ''[[Uchuu Senkan Yamato|Space Cruiser Yamato/Star Blazers]]'', Yamato attempts to elude the Earth Defense flagship ''Andromeda'' by flying at high speed through our solar system's asteroid belt. (To his credit, Captain Gideon of the ''Andromeda'' simply flies ''around'' the asteroid belt and is waiting for our heroes on the other side.)
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* ''[[Starship Girl Yamamoto Yohko]]'' episode 5.
* Episode 6 of ''[[Super Dimension Fortress Macross]]'' used the "rings of Saturn" variation.
* ''[[Galaxy Express 999]]'' episode 3 depicts our solar system's asteroid belt this way. Granted, the series runs on [[Rule of Cool]], but the asteroid field isn't some futuristic device designed to look like an old-fashioned inaccurate sci-fi asteroid field... it just ''is'' an inaccurate sci-fi asteroid field.
* In ''[[Cowboy Bebop]]'', Earth is surrounded by an incredibly thick asteroid field. It was born when an experimental jumpgate exploded near the Moon, and a good third of it blasted into pieces, raining down into Earth's gravity field. And daily meteor showers because of it.
 
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* In the [[Marvel Comics|Marvel]] ''[[Transformers Generation 1]]'' comic, our solar system's asteroid field is portrayed in precisely this manner; in fact, the ''Ark'''s mission was to destroy a bunch of asteroids so that Cybertron could pass safely through.
** To be fair, although the asteroid belt is portrayed incorrectly, at this time in the comic Cybertron was said to be "Saturn-sized". This size would make the chances of a cataclysmic impact more likely (though still very low).
* The trope is turned [[Up to Eleven]] in ''[[Fifty Two52]]''; apparently the thicket that Adam Strange, Animal Man and Starfire are stuck in has a diameter measured in ''parsecs''. This is handwaved with the explanation that it is not a natural asteroid field, but that comes nowhere close to explaining the sheer amount of mass that is present
 
 
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* In ''[[Star Wars|The Empire Strikes Back]]'', Han, deprived of his hyperdrive, has to [[Wronski Feint|slalom through densely packed asteroids to evade an Imperial fleet]]. And then echoed in ''Attack of the Clones'' when Obi-Wan is trying to evade Jango Fett in a planetary ring.
** The asteroid density from ''Empire'' is apparently nothing unusual in the galaxy far, far away. Rather, C3P0's cited statistics indicate they're ''all'' insanely-difficult to navigate.
*** The thicket is described as an asteroid ''field'', which is presumably different from a belt in some way-- inway—in interstellar space, maybe, and so gravitationally bound only to each other? Or the result of a recent collision having not had time to disperse? ...
*** A planet in the middle of formation? In such situation there could be plenty of flying rocks in close vicinity to each other.
*** They could have rewritten it to be the remains of Alderaan, although it would be kind of goofy for the rebel base to be in the same system as Alderaan...
** The unreality of the ''Empire Strikes Back'' sequence is lampooned in [http://www.irregularwebcomic.net/482.html this] [[Irregular Webcomic]]. See also the page quote.
** In "A New Hope", though, it's [[Justified Trope|justified]]: the "asteroids" are really fragments of Alderaan, which has ''just been destroyed''. So obviously they're everywhere.
*** Is it? To stop the pieces of planet from falling in on itself and becoming a new planet, the asteroids would have to be flying apart at close to the planet's escape velocity so even by the time Han Solo and Co. get there, they should have already scattered an awful lot.
**** So what if Alderaan's remains will eventually reform? It was never stated in the films that they wouldn't.
***** Perhaps it wasn't stated, but the scene depicts Alderaan's remains are being flung out at a rather high fraction of ''c''. It's not coming back together. Mind you, that raises a whole host of other issues, so eh.
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*** The second ''[[Rogue Squadron]]'' game had the Rogues guiding transports through an all-concealing nebula, and later going on a mission through an asteroid thicket that was ''very'' dense.
**** Interestingly, while dense, the asteroids barely move and as such, the fields are very easy to navigate. Even the bonus level based off of the Millenium Falcon chase scene has nowhere near the amount of danger implied in the film.
* [[Titan AEA.E.]] had the characters flying through a giant ice field. We see a lot of the giant ice balls smash into each other, which at the rate they were going, they should have reduced the entire ice field to ice cubes within a few years.
* Variation: Instead of an asteroid field, ''[[Galaxy Quest (Film)|Galaxy Quest]]'' has ships traveling through a space minefield. Which makes far more sense because, as a minefield, it's supposed to kill whoever enters it, and the mines were more or less stationary until a ship got close enough to set off magnetic sensors, and close enough together that the ship had trouble staying away from them.
** This begs the question of someone building a giant minefield [[In Space]] in the middle of nowhere. It's not as if there is a concept of a choke point in space.
** No, but there are likely common entry and egress points to a system, and getting closer to a planet...
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* ''Meteor'' shows our solar system's own asteroid belt being like this, with two large asteroids close enough that when one gets hit by a comet, a spacecraft orbiting the other gets destroyed by the debris.
* The lunar shuttle in ''[[Airplane!]] II: The Sequel'' encounters a ridiculously dense asteroid belt after it goes off course. Made [[Rule of Funny|doubly ridiculous]] because of the way they're going: know any asteroid belts between the Earth and the Sun? Me neither.
** Though there might be [http://en.[wikipedia.org/wiki/Vulcanoid_asteroid:Vulcanoid asteroid|Vulcanoids]]
*** It's a comedy. Shush.
* The introductory zoom-scene from ''[[Contact (Videovideo Gamegame)|Contact]]'' shows our own asteroid belt as one of these. The scene is otherwise fairly accurate on scales, however (except for the distance of radio transmissions).
** The team that created the opening said they did it on purpose partly for [[Rule of Cool]] and partly because [[Viewers Areare Morons|most people would think]] a fully accurate portrayal of the entire sequence [[Reality Is Unrealistic|would look "wrong."]]
* In the 2011 film ''[[Green Lantern (Filmfilm)|Green Lantern]]'', the green lantern leads the [[Big Bad]] through a classic asteroid thicket. There then follows a questionably plausible sequence involving the sun. Also, the solar system is apparently [[Sci -Fi Writers Have No Sense of Scale|ridiculously small]].
* ''[[Armageddon]]'' explains the cloudburst of meteorites as the result of a comet passing through the asteroid belt and bouncing shrapnel into Earth's vicinity, including an asteroid "the size of Texas," whatever that means. This is doubly wrong, once for thinking that a single comet could collide with so many asteroids and conveniently shove them in the same general direction, and twice for thinking that a comet (size range 100 meters to 40+ kilometers) could knock a Texas-sized piece of anything out of the belt entirely.
 
 
== Literature ==
* Averted in ''[[2001: A Space Odyssey (Film)|2001: A Space Odyssey]]''. While passing through the asteroid belt ''Discovery'' passes within visual range of one asteroid. They deliberately chose their route to bring them close enough to make observations of that asteroid.
** This is another example of Clarke getting stuff right. When ''2001'' was written, scientists weren't sure if it was even ''possible'' to travel through the Asteroid Belt. In fact, this was one of the reasons why Pioneer 10 and 11 even were launched, to make sure that the more expensive Voyager probes would be able to make it. While they were wrong about the [[Asteroid Thicket]], the probes found that the radiation produced by Jupiter would have damaged the electronic equipment on the Voyager probes. They were hurriedly amended.
*** In addition, one of the planned approaches to Saturn would have taken one of the Voyagers through the [http://en.[wikipedia.org/wiki/Cassini_Division:Cassini Division#Cassini_DivisionCassini Division|Cassini Division]], which appears as a gap from Earth. Turns out it's chock fully of lovely dust that would have put an end to the mission real quick.
** Speaking of being chock full of lovely dust: Although ''2001'' portrays the asteroid belt as being nearly empty of '''big''' rocks, it also describes ''Discovery''{{'}}s main communications antenna dish as being riddled with extremely tiny holes, punched by the micrometeorites that permeate the asteroid belt.
* Averted and explained in ''The Martian Way'' by [[Isaac Asimov]], who says that perhaps the spaceships didn't have to waste propellant to go around the asteroid belt, since, while on map it looks like a swarm of insects, it would take real stroke of bad luck in order to hit a rock.
** Asimov's first published story, ''Marooned off Vesta'', embodies this trope; but as explained in the 2001 example above, this is [[Science Marches On]], not [[Did Not Do the Research]].
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*** In ''The Stars like Dust'', Gilbret claims he discovered {{spoiler|the rebellion planet}} when his ship was damaged by a stray asteroid and they rescued him.
*** In the short story "Feminine Intuition", important information about a possible nearby life-bearing planet is being transported via an aircraft. The aircraft is hit and destroyed by a meteorite. Because of how improbable it is, the characters speculate as to whether some higher intelligence orchestrated the meteor strike to keep Earth from learning about their alien neighbors. The odds against this happening are astronomical.
* [[Robert A. Heinlein]] said the same thing in ''[[Farmer in the Sky]]'' when the narrator observes that the '"old pile drive'" ships used to '"plow right through the asteroid field and none of them was ever hit enough to matter'". Nevertheless, he had the ''Mayflower'' bypass the Asteroid Belt, to [[Tempting Fate|avoid even that tiny chance]]. Nevertheless, [[Irony|the ''Mayflower'' was hit]].
** In the universe of this book, the Asteroid Belt is more densely packed than it is in Real Life, as it's stated a couple times that the Belt used to be a planet. This is a case of [[Science Marches On]]; it was once thought that the Asteroid Belt might have been a planet that broke up, until we discovered there's not nearly enough material in the Belt to have ever made a planet-sized object.
* Justified in Tobias S. Buckell's ''[[Halo]]'' novel ''The Cole Protocol.'' The Rubble is explicitly said to be very unusual, the asteroids having been tethered together, and is kept stable by constant adjustments controlled by an AI.
** With the outer colonies glassed by the Covenant, it seems Insurrectionists have chosen to colonise asteroids instead, as the crew comes across one in ''First Strike''.
* Subverted in Allen Steele's ''A King of Infinite Space,'' where the protagonist claims to expect the asteroid field to mirror his recollections of ''[[Star Wars|Empire Strikes Back]]'', only to discover the scientific reality of the asteroid field.
* Justified and lampshaded in ''[[Starfire|Crusade]]'' by [[David Weber]]. It first comes up in the context of a closed warp point (a [[Our Wormholes Are Different|warp point]] without a significant/detectable gravity field) that happens to exist in the middle of an asteroid belt, which led to the immediate destruction of small ships transiting due to collisions - a situation immediately stated as freakish and unique. One chapter later, an enemy uses an asteroid cluster in a different star system [[Stealth in Space|to hide a fleet]], while musing that only in a handful of clusters do [[Take That/Literature|"conditions even approach those... in popular entertainment."]]
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* Completely averted in [[Larry Niven]]'s [[Known Space]] universe. Larry is well known for [[Shown Their Work|Showing His Work]]. Belters are explicitly described as spending months at a time alone, flying their singleships between asteroids on prospecting runs. He even extrapolates and uses the ramifications in his stories. Not everyone has the kind of personalty to handle that amount of nothing for the length of time that is required to get from place to place. The ones who can't never come back to port. Belter society is made of the ones who can.
* ''Future Hope'' features a cocky, crackerjack space ace whom the author attempts to characterize as the greatest in the solar system by describing how he was famous for being the only pilot to ever safely navigate through the asteroid belt without his navigation tools on.
* It's strongly averted in [[Stanislaw Lem|Stanislaw Lem's]] ''[[Tales of Pirx the Pilot (Literature)|Tales of Pirx the Pilot]]''. The protagonist's ship was maneuvering in an asteroid cloud for several hours without actually seeing one asteroid. This trope is also lampshaded when a panicking passenger who doesn't know much about space wonders why the captain isn't trying to evade the asteroid cloud, and then declares the captain insane when he is told the asteroids aren't dangerous.
* Averted in ''[[Lacuna (Literature)|Lacuna]]''. Liao hides the ship in the Solar System asteroid belt and Summer complains about how it's a terrible place to hide because it's so empty.
* The Boneyard in the ''[[Star Trek: theThe Genesis Wave]]'' series. The titular wave, an [[Interstellar Weapon]], is launched from a base concealed within it.
 
== [[Live -Action TV]] ==
 
* ''The [[Battlestar Galactica Reimagined (2004 TV series)|2004 ''Battlestar Galactica]]'']]. Guilty as charged. Rather surprising given that it's usually relatively accurate when it comes to astrophysics.
== Live Action TV ==
* ''[[Battlestar Galactica Reimagined (TV)|Battlestar Galactica]]''. Guilty as charged. Rather surprising given that it's usually relatively accurate when it comes to astrophysics.
** Might have been justified when they were in the debris disk around the black hole. Every other instance, however...
** Actually, the 'asteroid field' in ''Scar'' was argued to be a protoplanetary disc, because the science advisorsadvisers or whatnot knew that asteroids weren't packed together but still wanted a dangerous dogfight situation.
* The ''[[BlakesBlake's Seven (TV)|Blakes Seven7]]'' episode "Mission To Destiny" features a space storm that appears as an [[The Asteroid Thicket|asteroid thicket]]. An interstellar one.
* The pilot (episode, not the character Pilot) of ''[[Farscape (TV)|Farscape]]'' had an [[The Asteroid Thicket|asteroid thicket]].
** In the ''Peacekeeper Wars'' wrap-up mini-series, [[The Dragon|Braca]] leads a fighter squadron through a planetary ring in order to strike at the rear of the Scarran battle fleet. Plausible (not the thicket) in that radiation would keep the squadron's approach masked from enemy sensors.
* The ''[[Lost in Space]]'' episode "The Reluctant Stowaway" (the premiere) featured the ''Jupiter 2'' being pummeled by asteroids as it drifted off course into the belt.
* The 2007 4th season premiere of ''[[Stargate Atlantis|Stargate: Atlantis]]'' has Atlantis, shot into space in the previous season, having to make its way through an asteroid field. Sheppard, McKay, and a team have to shoot the asteroids into pieces to clear a path. Sheppard, trying to reassure McKay, compares it to the video game ''Asteroids''. McKay responds, "But I was ''terrible'' at ''Asteroids''! I think I actually scored ''zero'' once!".
* ''[[Star Trek (Franchise)|Star Trek]]'':
** The ''[[Star Trek: theThe Original Series]]'' (TV)|episode "[[Star Trek: theThe Original Series]]'/Recap/S1/E06 Mudd's episode "Women|Mudd's Women]]" shows the U.S.S ''Enterprise'' chasing Harry Mudd's stolen ship through an asteroid belt (at relativistic speeds) where the asteroids are seen to zip past the ''Enterprise'' (as seen by the bridge screen that Kirk is looking at). The asteroids appeared to be spaced apart from each other at considerable distance rather than the traditional ''[[Star Wars]]'' type asteroid thicket.
** In the 7th seventh-season episode "Genesis" of ''[[Star Trek: theThe Next Generation/Recap/S7/E18 (TV)Genesis|Genesis]]" of ''[[Star Trek: theThe Next Generation]]'', the Enterprise sends a shuttle craft into an asteroid field because it was too dense for the Enterprise to go in safely. It was mentioned that the asteroid field was unusually dense though. This was by far the least significant scientific inaccuracy in this episode, where the crew 'de-evolved'.
** In a 7th seventh-season ''[[Star Trek Deep Space Nine (TV)|Star Trek: Deep Space Nine]]'' episode, Odo tries to hide from some Jem'Hadar by flying into a dense Kuiper Belt, which aside from trading comets for asteroids, is still a classic [[Asteroid Thicket]].
** In the ''[[Star Trek: Voyager (TV)|Voyager]]'' episode "[[Star Trek: Voyager/Recap/S4/E08-09 Year of Hell|Year of Hell]]," the beat-up ship hides in a nebula... and suffers from gas leaking ''in,'' implying that it's denser than the ship's atmosphere.
* Part of the race course in the ''[[Stargate SG -1]]'' episode "[[Stargate SG-1/Recap/S7/E08 Space Race|Space Race]]" goes through what appears to be an [[Asteroid Thicket]] composed of house-sized chunks of ice.
 
 
== Tabletop Games ==
* The ''[[Star Wars]]-Risk'' boardgame used an impenetrable asteroid field to represent planets destroyed by the Death Star, rendering travel in the region.
* ''[[Twilight Imperium]]'' features asteroid belts that take up the same amount of space as a star system and pose a serious problem for the movement of certain classes of starships.
* The Asteroid fields in ''[[Battlefleet Gothic]]'' are an [[Egregious]] example, probably caused by [[The Coconut Effect|the target audience expecting]] [[Space Is an Ocean|"terrain" to fight around]]. The effects of asteroid fields are thus: Anything unguided (a space hulk, torpedoes and so on) are automatically destroyed upon entry. [[Old School Dogfighting|Attack craft]] have a 1 in 6 chance of destruction and full space ships (from [[Standard Sci -Fi Fleet|escorts to capital ships]]) must take a command check, and if failed can take crippling damage in a single instance.
* ''[[Eclipse Phase]]'' actually manages to avoid this. There are asteroid fields, but they're exactly as they are in reality.
* In ''[[Star Fleet Battles]]'', asteroid fields are thick enough so that any ship or seeking weapon passing through them has a significant chance of taking damage, possibly enough to destroy it. They also interfere enough with sensors to allow ships and bases to hide within them.
* The Cularin system, where nearly all of ''Star Wars'' d20's [[Living Force]] campaign was set, has an asteroid thicket at the edge of the system. Cularin's depiction is unusual in that it avoids both the lack of clear spots and [[2-D Space]] at the same time. There ''are'' clear spots, but they need to be calculated and are only big enough for smaller ships, while larger ships go over/under it. The belt is only a hazard because the gravity well (alongside some other oddities in the system) takes ships out of hyperspace and forces them to travel sub-light within the system and prevents quickly escaping the system.
 
 
== Video Games ==
* The [[X (Videovideo Gamegame)|X-universe]] series of games plays this trope straight 90% of the time; one sector has about 80 asteroids (about 1-2km1–2 km in diameter) crammed into an area about 80km80 km on each side. Most sectors have much lower concentrations, but even those have 3-10 asteroids in a sector, which have only 80-200km80–200 km between the two pairs of jump gates.
* One must mention the classic arcade game ''[[Asteroids]]'', where the asteroids just go through each other: either they cheat, or their dodging skills make them smarter than [[Two 2-D Space|the player]].
** Clearly the player's ship is actually a huge arrow-shaped tower.
** It's worth noting that some Asteroids clones do feature collision detection and the asteroids will carom off one another.
* The first set of starship battles in ''[[Ratchet and Clank Going Commando]]'' take place in such a region, though again this may be justified by the fact that it seems to be gathered around a possible mining station.
** On the other hand, ''[[Ratchet: Deadlocked]]'' has a planet whose orbit takes it through an asteroid field so dense, the residents put up a planetary shield so they didn't get [[Colony Drop|Colony Dropped]]ped to death. {{spoiler|Which was shut down by the [[Big Bad]] and [[Complete Monster]] Gleeman Vox for a Dreadzone challenge. Yeah.}}
* The Meteo area in the ''[[Star Fox (Video Gameseries)|Star FoxFOX]]'' games. "Use the boost to get through!"
* The classic Space Sim ''[[Wing Commander (Videovideo Gamegame)|Wing Commander]]'' and ''[[Free Space]]'' both used this trope, the former as a [[Death Course]] for fighters. The latter creates a very distinct mix of infuriating and awesome by making the asteroids too slow and clumsy to be a threat to fighters, then having missions where a desperate capital ship plows through them and has its small craft [[Escort Mission|play point defense]] against the [[Malevolent Architecture|Malevolent Asteroids]] that continually appear out of nowhere to converge on the target ship.
** You think that's bad? Try a game breaking bug that prevented the capital ship from jumping to safety at the end of that very mission...
** ''Wing Commander'' is worse than ''FreeSpace'' as it features mines as well as asteroids. In either game, you can shoot rocks out of the way. In ''Wing Commander'', if you shoot a mine, it goes boom--violently--andboom—violently—and you will probably die.
** And then, you got the bug in ''[[Wing Commander (Videovideo Gamegame)|Wing Commander]]'' (the SNES game) where if you shoot an asteroid or mine ''miles'' away from the Tiger's Claw, you get the "Tiger's Claw Blew Up and You Drift Forever!" cutscene. Thankfully, there was also a [[Good Bad Bug]] where you could dive or climb just far enough to make asteroids go off screen. Doing so, makes them disappear from the game oddly enough.
* ''[[Freelancer]]'' carefully examines this trope. First, due to their thickness, most asteroid fields in the game are hiding places for criminals. Second, also due to their thickness, several asteroid fields are also suitable for mining operations. Third, some of these asteroid fields are actually made of junk (one of them is even a minefield!). And finally, the spacecraft manufacturers must be very aware of the difficulty of navigating these places by hand, because in order to get across an asteroid field, you just have to set a waypoint to your target, press the Go To button, and the computer will do the slaloming for you.
** Which is a very bad habit to form if also playing the above mentioned [[X (Videovideo Gamegame)|X-universe]] games, where letting the [[Artificial Stupidity|auto-pillock]] fly in an asteroid field is suicide.
* The ''[[Escape Velocity]]'' series (plays like ''Privateer'', looks like ''Asteroids'') has immensely thick asteroid belts, but ships cannot collide with them. Their purpose is simply to interfere with weapons fire (though they can also be mined in the third game).
** These asteroids are identical in appearance to those in ''Maelstrom'', a clone of ''Asteroids'' which was Ambrosia Software's first published game.
* In ''[[Homeworld (Video Game)|Homeworld]]'', one mission puts you right in the center of a swarm of [[Malevolent Architecture|malicious asteroids]], your objective being to get your smaller ships out of harm's way while blasting apart asteroids that are about to collide with the Mothership. There's a margin for error in that the Mothership can handle a few hits, but it's still not quite as easy as it sounds.
** Averted, actually. The "asteroid storm" is the result of exiting hyperspace in the tail of a humongous comet. They were supposed to show up in the gas tail, but miscalculated and ended up in the debris field. It's still a touch iffy, but if we're talking a cometary body that's hundreds of kilometers across and it's on an approach vector to its sun, then it could be in the process of breaking up. The "asteroids" couldn't be harvested until blown apart, suggesting they were icy bodies.
** In another mission, a large asteroid is deliberately steered into the path of the mothership (via a huge engine built into the asteroid's "back"), as it cannot change direction when in hyperspace, and will automatically exit hyperspace when a potential collision is detected.
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** ''[[Empire At War]]'' uses them as well; large ships will usually fly around them to avoid losing shields.
** Stage 3 of ''[[Shadows of the Empire]]'' has the ''Outrider'' trying to escape from the Empire in an asteroid field, but Dash leaves the piloting to Meebo, so the player really doesn't even have to think twice about them.
* The PS3 downloadable title ''Super Stardust HD'' has asteroids that swoop down, and then start orbiting around the planet you're guarding. This appears to be because of an incredibly powerful planetary shield whose existence is for some reason entirely dependantdependent on the existence of your ship.
** The [[All There in the Manual|backstory]] explains that the asteroids are being thrown at those planets by the attacking aliens to distract you when they attack.
* The MMORPG ''[[EveEVE Online]]'' suffers from this trope in that of the 5000+ solar systems, a large majority of them have at least one "Asteroid Belt" orbiting a planet, and some have upwards of 20 or 30. This alone isn't enough... the asteroid belts themselves are composed of a belt maybe 100km100 km from end to end with asteroids of various mineral types densely packed together; in some cases the asteroids are so large and so dense that avoiding their collision boxes is an exercise in futility. This is mostly due to decade-old design decisions. The asteroids are used for mining by players, and going from one rock to the other in a realistically sparse asteroid field in clumsy mining vessels would be ''very annoying'' to say the least. Various modifications and reforms to asteroid belt realism and the interactivity/fun of mining in general have been floated by CCP over the past few years, but so far they appear to be on the back burner. Finding a fix that doesn't destroy the economy is bound to be problematic.
* Avoided in the classic 1984 space simulator ''[[Elite]]'' and its sequels. Whereas the first game had several classic examples of [[Did Not Do the Research]] such as no star system containing more than one planet and one sun, it did, more or less, bang asteroids on the head. As the game was randomly generated, it was not unusual for players to never come across an asteroid ''ever'' when playing the game!
** In the sequel ''Elite: Frontier'' star systems were more realistic, usually having several planets of various sizes.
* Averted in ''[[Metroid|Super Metroid]]'' and ''[[Metroid|Metroid Fusion]]'': the Ceres Research Lab is stationed in the middle of an asteroid field (possibly ''the'' Asteroid Belt, given the name of the station) and the asteroids therein are completely static in relation to one another, if densely packed. In the sequel, Samus only crashes into an asteroid because the X Parasite infection had knocked her out.
* Averted in ''Darkstar One'', where navigating an asteroid field is pretty easy, with the asteroids being large, slow and very dodgeable. The only marginally difficult part is entering into special asteroids to collect pieces of the Darkstar.
* Justified in ''[[Dead Space (Videovideo Gamegame)|Dead Space]]'', as the thicket is actually the debris kicked up by the mining ship the game takes place on pulling a continent-sized chunk out of the planet it's orbiting.
* Doomsday Zone from ''[[Sonic 3 and Knuckles (Video Game)|Sonic & Knuckles]]'' teaches us that there's a dense asteroid field in Earth's orbit. Who knew? Barely room to fit a hedgehog between the rocks, even.
* In the classic TI-99/4A game, ''Parsec'', asteroid belts are unusual indeed. The game is a [[Horizontal Scrolling Shooter]], where you fly a ship ''around the planet''. Despite this fact, you encounter asteroid belts regularly! And each "belt" contains an identical pattern of asteroids, starting with a huge column of rocks coming at you. Each subsequent belt comes ever faster, which suggests they should have crashed into each other ages ago.
* ''Edge of Chaos'' has this in spades. The asteroids will blow up like bombs if you shoot at them a few times. There was even a mod that turned this up to 11 by making the asteroids fly around at ridiculous speeds, pelting everything like a space hail storm.
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*** Omega was broken apart several centuries earlier by an impact with another asteroid. The asteroids that surround it are probably remnants from the impact - but they should have drifted away by now, unless the mass effect fields that protect the station have some sort of effect on them.
** The end sequence of ''[[Mass Effect 2]]'' also manages to create an awesome asteroid-maze sequence with fewer scientific issues. When the Normandy goes through the Omega-4 relay, it emerges in a frequently-replenished junkyard of wrecked ships that have passed through without the proper preparations and run into things.
* ''[[Conquest: Frontier Wars]]'' has plenty of these, conveniently on the edges of map, these thickets slowed down ships travelling though them.
** [[All in The Manual|The manual]] explains that the fields in the game are just representations of what is actually going on, and that the ships slow down in order to navigate through the field (the slaloming is not actually shown in the game). The nebulae are even weirder with their strange abilities (knocking out [[Deflector Shields|shields]], decreasing weapon effectiveness, hiding entire fleets, etc.).
* In ''[[Star Control]]'', every single space battle, no matter where it occurs features a ridiculous amount of ship-sized asteroids. They are continually spawned to maintain a stable number, never lose momentum, and are sometimes spawned aimed directly at your ship. Fortunately, they can't actually hurt your ship, unless they bump it into the planet (another feature that's always somehow present regardless of where the battle takes place). They can be a major nuisance for the slower ships that need to spend quite some effort to get going in any specific direction.
* If you fight a battle in an asteroid belt in the ''[[Space Empires]]'' games, they tend to damage missiles and fighters heavily. They can even damage capital ships in strategic movement sometimes.
* In ''[[The Babylon Project]]'', the raider bases are generally located here.
* ''[[Halo: Reach]]'''s introductory cinematic at one point passes through a very dense ice belt. A collision between two ice bodies can actually be seen as the camera moves onward.
* Averted in ''[[Master of Orion (Video Game)|Master of Orion]] II'', where battles in asteroid fields don't actually feature any asteroids. However, the fact that blowing up a planet with a [[Wave Motion Gun|Stellar Converter]] and then rebuilding it with a colony in the same system can result in a larger and richer in resources planet than the original. So, apparently, a planet is more than the sum of its parts.
** In the original game, however, the tactical battle map in some systems had squares randomly occupied by asteroid patches. Ships can't pass through them, and any missile clusters trying to pass through one of those squares get their count reduced, potentially<ref>if not regularly, statistically speaking</ref> turning a [[One -Hit Kill]] salvo into one that does little more than tickle a ship's passive defenses (shield/armor).
* In ''[[Millennia Altered Destinies]]'', the first probe to be sent to the Outer Solar System gets destroyed while passing through the Asteroid Belt. The technicians then apologize for not anticipating how dense the field is and claim the next probes and ships will fly above or below the belt. Interestingly, this does not add to the travel time. The Belt is also used for [[Asteroid Mining]].
* In ''[[Space Quest]] V: The Next Mutation'', the crew of the SCS ''Eureka'' is forced to evade the SCS ''Goliath'' and hides the ship in a nearby asteroid field. While the asteroids are not shown moving or colliding, they do spin quite fast and appear to be close together. When Roger is forced to go EVA to rescue Cliffy, there is a mini-game that requires the player to navigate the EVA pod. However, the asteroids are only in the background and do not pose a danger.
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== Webcomics[[Web Comics]] ==
* ''[[Drive (Webcomicwebcomic)|Drive]]''. Skitter loses a pursuing Continuum ship in one.
** Subverted, in that it's not your typical [[Space Is an Ocean]] thicket - they could easily go around it, and it's only dangerous because they're navigating it at FTL speeds.
* ''[[Far From Home (Webcomic)|Far From Home]]'': [https://web.archive.org/web/20120514142037/http://mightymartianstudios.com/2011/02/18/ffh-sci-fi-webcomic-pro-01/ for scouting.]
 
 
== Web Original ==
* [[Invoked Trope|Invoked]] in the [[AH Dot Com the Series]] episode ''The Machine'', in which Captain Dr. What (whose knowledge of how the universe works is mainly based on old movies) tries to hide from [[Lawyer -Friendly Cameo|the]] ''[[Warhammer 40 K,000|Vendetta]]'' in an asteroid belt, and the most knowledgeable GBW keeps trying to point out that the asteroids are too dispersed for this to work.
* In ''[[Pay Me, Bug (Literature)|Pay Me Bug!]]'', Tyrelos Station is surrounded by the debris from a recently (in astronomic terms) destroyed moon.
 
 
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**** That's not fair. Futurama does not endorse the cool crime of robbery.
* ''[[Invader Zim]]'' had this in one episode. Zim piloted a ship into the asteroid belt during a dogfight with Dib and it was destroyed by the asteroids. They were, respectively, piloting ''Mars and Mercury.''
* The episode "Little Girl Lost Part 1" of ''[[Superman: theThe Animated Series]]'' very neatly and subtly averts this one. While scanning the shattered remnants of Krypton, which have slowly begun forming into an asteroid belt, he receives a distress call from just outside the system. Rather than play "Asteroids" in his protective ship, he simply drops down and ducks under the field to get there as quickly as possible.
* Averted/lampshaded in the ''[[Family Guy]]'' [[Family Guy Presents Laugh It Up Fuzzball|adaptation]] of [[The Empire Strikes Back]] when Threepio (played by Quagmire) says in the asteroid scene "Sir, the odds of successfully navigating an asteroid field are 2-1!". To which Han (portrayed by Peter) replies "Never tell me the o-oh... well that's not bad. Never mind, let's keep going."
* This happens in the first episode of ''[[The Transformers Generation 1]]'', where going through an asteroid belt causes the [[Transforming Mecha|Autobots]] and [[Aliens Are Bastards|Decepticons]] to crash on [[Insignificant Little Blue Planet|Earth]].
* ''[[Star Trek: the Animated Series (Animation)|Star Trek theThe Animated Series]]'' episode "The Pirates of Orion". The title opponents' ship flees into an asteroid field that consists of a large collection of rocks close together. There are so many asteroids that it's easy for the Orion ship to hide among them.
 
 
== [[Real Life]] ==
* Until the [http://en.[wikipedia.org/wiki/Pioneer_10:Pioneer 10|Pioneer 10]] space probe passed through the asteroid belt, nobody really knew how dense the belt was. Only several thousand big lumps had been spotted up to that time, but there was a well-founded worry that the craft would be peppered with impacts from many small or tiny rocks. Luckily Pioneer (and all later missions that went beyond Mars) met with nothing whatsoever.
** And there's the [http://dawn.jpl.nasa.gov DAWN spacecraft] whose mission is to explore the asteroid Vesta and after that go to the [[Science Marches On|minor planet]] Ceres.
* At least one extrasolar asteroid belt has been discovered, with measurements indicating that it's much more densely packed than our own.
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[[Category:Tropes in Space]]
[[Category:Speculative Fiction Tropes]]
[[Category:Orphaned/Sandbox/Astronomy Tropes]]
[[Category:Space Does Not Work That Way]]
[[Category:Artistic License Astronomy]]
[[Category:AsteroidAstronomy ThicketTropes]]
[[Category:Trope{{PAGENAME}}]]