History Main / TimeDilation

5th Mar '16 3:13:17 AM Morgenthaler
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* In SergeyLukyanenko's ''LineOfDelirium'' trilogy (very loosely based on ''VideoGame/MasterOfOrion''), all ships must decelerate before exiting hyperspace. Failure to do so would result in the ship exiting at near-light speeds and experiencing extreme time dilation. There are also cases of warships escaping from battle using their sublight engines, being forced to accelerate to near-light speeds when their hyperdrive is damaged. The crew of one such human warship commits suicide when they find themselves in a post-war galaxy over 100 years after they left.

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* In SergeyLukyanenko's ''LineOfDelirium'' Creator/SergeyLukyanenko:
** ''Literature/LineOfDelirium''
trilogy (very loosely based on ''VideoGame/MasterOfOrion''), all ships must decelerate before exiting hyperspace. Failure to do so would result in the ship exiting at near-light speeds and experiencing extreme time dilation. There are also cases of warships escaping from battle using their sublight engines, being forced to accelerate to near-light speeds when their hyperdrive is damaged. The crew of one such human warship commits suicide when they find themselves in a post-war galaxy over 100 years after they left.



* In the ''StarTrekExpandedUniverse'' novel ''Enterprise'', Uhura uncovers that the reason why Janice Rand seems so nervous and inexperienced is that she's chronologically just 16 years old. When she was a child on a civilian ship, the warp drive was damaged and the ship had to accelerate to high relativistic sublight velocity to reach the nearest starbase, meaning she didn't age in time with her calendar age. Because this is such a rare occurrence, Starfleet apparently never thought to log the discrepency.

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* In the ''StarTrekExpandedUniverse'' ''Franchise/StarTrekExpandedUniverse'' novel ''Enterprise'', Uhura uncovers that the reason why Janice Rand seems so nervous and inexperienced is that she's chronologically just 16 years old. When she was a child on a civilian ship, the warp drive was damaged and the ship had to accelerate to high relativistic sublight velocity to reach the nearest starbase, meaning she didn't age in time with her calendar age. Because this is such a rare occurrence, Starfleet apparently never thought to log the discrepency.
25th Feb '16 11:36:32 AM StarSword
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In fiction, this effect is often used to facilitate a variation on MayflyDecemberRomance, with the earth-bound partner as the "short-lived" one compared to the space traveller. Such plots can also involve a familial relationship instead of a romance -- in this case, the earth-bound character is usually the space traveller's twin or child.

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In fiction, this effect is often used to facilitate a variation on MayflyDecemberRomance, with the earth-bound partner as the "short-lived" one compared to the space traveller. Such plots can also involve a familial relationship instead of a romance -- in this case, the earth-bound character is usually the space traveller's twin or child.
child. On a lighter note, it's also often used for some version of a StockJoke about how annoying time dilation can make keeping track of time.
4th Jan '16 8:29:45 AM ChronoLegion
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** It's stated in the pilot that the time dilation effect was amplified by the usage of ArtificialGravity aboard the ship.
4th Jan '16 8:28:05 AM ChronoLegion
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* A major plot point of ''Film/{{Interstellar}}'' involves the gravitational dilation of time around a black hole.

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* A major plot point of ''Film/{{Interstellar}}'' involves the gravitational dilation of time around a black hole. [[spoiler:The first case happens on Miller's planet, which is located very close to the black hole, which means that an hour on the planet's surface is equal to 7 years on the outside. Cooper and Brand spend only a short while on the planet. Upon their return to orbit, they meet Rommily, who has been waiting for them for 23 years and didn't think they were coming back. Later, Cooper attempts a SpaceshipSlingshotStunt around the black hole. Upon exiting the event horizon, he comments that this maneuver just cost them 51 years (for the people back on Earth), while taking only minutes for the ship. By the time Cooper is reunited with the rest of humanity, he finds out that he is officially 125 years old, while still looking to be in his 40s. His son has died decades ago, and his daughter is on her deathbed.]]
18th Dec '15 2:52:31 AM gallium
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Time dilation is a scientific concept related to UsefulNotes/{{relativity}} which states, basically, that for an observer aboard a spaceship travelling at any speed at all (though only noticeable at appreciable fractions of the speed of light) with respect to Earth (or any inertial reference frame of your choice), time passes more slowly than it would for an observer on Earth. When near-lightspeed travel becomes involved, the effects become quite drastic: A person might go on a space journey that seems to him to last one year and, on returning, find that 10 years have passed on Earth. This is sometimes extrapolated by science fiction authors to apply to FTLTravel as well, though this does not make much sense physically.

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Time dilation is a scientific concept related to UsefulNotes/{{relativity}} which states, basically, that for an observer aboard a spaceship travelling at any speed at all (though only noticeable at appreciable fractions of the speed of light) with respect to Earth (or any inertial reference frame of your choice), time passes more slowly than it would for an observer on Earth. When near-lightspeed travel becomes involved, the effects become quite drastic: A person might go on a space journey that seems to him to last one year and, on returning, find that 10 years have passed on Earth. This is sometimes extrapolated by science fiction authors to apply to FTLTravel as well, though this does not make much sense physically.
It is, in effect, TimeTravel, but only in one direction--the future--with no way back.



Note that though many writers extend this so traveling faster than light means aging backwards, that isn't how the math says it works. The time scale factor for speeds faster than ''c'' is imaginary, not negative. However, if an object is travelling faster-than-light that means there is always some slower-than-light frame reference that sees the object travelling backwards in time -- or possibly moving in the opposite direction, with events on the object occurring backwards[[note]]This, contrary to popular belief, would not imply TimeTravel: an observer still exists that sees events happening in the "proper" order. Trouble is, both types of observers -- those that see our superluminal buddy going forwards and those that see him going backwards -- can simultaneously exist. And they do not agree on the relative order of events. Woe and behold, causality is thrown out the window in a much harsher way than any Grandfather Paradox ever dared attempt.[[/note]]. TheOtherWiki has [[http://en.wikipedia.org/wiki/Tachyon an article]] on tachyons, theoretical objects that move faster than the speed of light, and explains how this works.

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Note that This is sometimes extrapolated by science fiction authors to apply to FTL Travel as well, though many this does not make much sense physically. Many writers extend this so traveling faster than light means aging backwards, that isn't how the math says it works. The time scale factor for speeds faster than ''c'' is imaginary, not negative. However, if an object is travelling faster-than-light that means there is always some slower-than-light frame reference that sees the object travelling backwards in time -- or possibly moving in the opposite direction, with events on the object occurring backwards[[note]]This, contrary to popular belief, would not imply TimeTravel: an observer still exists that sees events happening in the "proper" order. Trouble is, both types of observers -- those that see our superluminal buddy going forwards and those that see him going backwards -- can simultaneously exist. And they do not agree on the relative order of events. Woe and behold, causality is thrown out the window in a much harsher way than any Grandfather Paradox ever dared attempt.[[/note]]. TheOtherWiki has [[http://en.wikipedia.org/wiki/Tachyon an article]] on tachyons, theoretical objects that move faster than the speed of light, and explains how this works.
14th Aug '15 9:30:38 PM wootzits
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* ''SoukouNoStrain'', since there's no FTL travel in the series.

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* ''SoukouNoStrain'', ''Anime/StrainStrategicArmoredInfantry'', since there's no FTL travel in the series.
9th Aug '15 4:03:19 PM Prfnoff
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* This is the central premise of the novel ''Literature/TheWorldAtTheEndOfTime'', also by FrederikPohl. Everything starts when Wan-To, the [[StarfishAliens really non-human]] protagonist of the game sends as decoys during its war against other entities as it several groups of stars moving in weird ways, using physical copies of him for the dirty job [[spoiler: it turns one of those groups is where is located the human colony in which the main protagonist of the history lives. Since the physical copy has no instructions on when to stop, it accelerates the stars and everything in orbit around them to ''really relativistic'' speeds, to the point that when it decides to decelerate after 4,000 years, ''[[TimeAbyss 10.000.000.000.000.000.000.000.000.000.000.000.000.000 years]]'' have passed in the outside Universe, more than enough for all the stars to die.]]

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* This is the central premise of the novel ''Literature/TheWorldAtTheEndOfTime'', also by FrederikPohl.Creator/FrederikPohl. Everything starts when Wan-To, the [[StarfishAliens really non-human]] protagonist of the game sends as decoys during its war against other entities as it several groups of stars moving in weird ways, using physical copies of him for the dirty job [[spoiler: it turns one of those groups is where is located the human colony in which the main protagonist of the history lives. Since the physical copy has no instructions on when to stop, it accelerates the stars and everything in orbit around them to ''really relativistic'' speeds, to the point that when it decides to decelerate after 4,000 years, ''[[TimeAbyss 10.000.000.000.000.000.000.000.000.000.000.000.000.000 years]]'' have passed in the outside Universe, more than enough for all the stars to die.]]
25th Jul '15 10:01:28 PM nombretomado
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* In ''Literature/CaptainFrenchOrTheQuestForParadise'' by MikhailAkhmanov and Christopher Nicholas Gilmore, the only way to travel between the stars is with the use of a relativistic drive system. It does not require any acceleration (i.e. works like the lightspeed in ''StarWars'', only with STL) and takes only seconds for the crew. However, decades, if not centuries, pass in the outside universe. It still takes months of travel to and from the edges of star systems in order to minimize the risk of CriticalExistenceFailure. For this reason, space travel is only done by colonists and space traders and no interstellar government is possible.

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* In ''Literature/CaptainFrenchOrTheQuestForParadise'' by MikhailAkhmanov Creator/MikhailAkhmanov and Christopher Nicholas Gilmore, the only way to travel between the stars is with the use of a relativistic drive system. It does not require any acceleration (i.e. works like the lightspeed in ''StarWars'', only with STL) and takes only seconds for the crew. However, decades, if not centuries, pass in the outside universe. It still takes months of travel to and from the edges of star systems in order to minimize the risk of CriticalExistenceFailure. For this reason, space travel is only done by colonists and space traders and no interstellar government is possible.
19th Jul '15 1:53:41 PM StFan
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'''O'Neill:''' Two weeks? I think I'll sleep in.
-->-- "A Matter of Time", ''Series/StargateSG1''

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'''O'Neill:''' Two weeks? (''beat'') I think I'll sleep in.
-->-- ''Series/StargateSG1'', "A Matter of Time", ''Series/StargateSG1''
Time"



[[folder:Anime & Manga]]
* In the ''VoicesOfADistantStar'' short, time dilation plays a big role in the protagonists' realtionship.

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[[folder:Anime & Manga]]
[[folder:Films -- Animation]]
* In the ''VoicesOfADistantStar'' ''Anime/VoicesOfADistantStar'' short, time dilation plays a big role in the protagonists' realtionship.relationship.



[[folder: Film -- Live Action]]

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[[folder: Film [[folder:Films -- Live Action]]Live-Action]]



-->'''Scientist 1:''' They haven't aged a day. Einstein was right.
-->'''Scientist 2:''' [[BeethovenWasAnAlienSpy Einstein was probably one of them.]]

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-->'''Scientist 1:''' They haven't aged a day. Einstein was right.
-->'''Scientist
right.\\
'''Scientist
2:''' [[BeethovenWasAnAlienSpy Einstein was probably one of them.]]



* ''TheForeverWar'' deals with quite a bit of time dilation. In order to travel faster than light a warship has to accelerate to relativistic speeds towards a [[NegativeSpaceWedgie collapsar]]. The effects of "subjective" time on the protagonist are explored to a somewhat large degree.

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* ''TheForeverWar'' ''Literature/TheForeverWar'' deals with quite a bit of time dilation. In order to travel faster than light a warship has to accelerate to relativistic speeds towards a [[NegativeSpaceWedgie collapsar]]. The effects of "subjective" time on the protagonist are explored to a somewhat large degree.



[[folder: Tabletop Games]]
* One more [[HyperspaceIsAScaryPlace scary thing]] about [[TabletopGame/{{Warhammer 40000}} the Warp]] is that you can never tell when you will emerge. More than once a fleet has arrived centuries after (or before)departing.

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[[folder: Tabletop [[folder:Tabletop Games]]
* ''TabletopGame/{{Warhammer 40000}}'': One more [[HyperspaceIsAScaryPlace scary thing]] about [[TabletopGame/{{Warhammer 40000}} the Warp]] Warp is that you can never tell when you will emerge. More than once a fleet has arrived centuries after (or before)departing.before) departing.



[[folder:Webcomic]]

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[[folder:Webcomic]][[folder:Web Comics]]



* In ''Webcomic/QuentynQuinnSpaceRanger'' the titular character missed three years without realizing it while on a long mission through largely uncharted space.
->'''QQ:''' Wait, a Mark IV? But the Mark III isn't due out for another year!
->'''Delivery guy:''' Oh no. The Mark III came out ''last'' year. The Mark IV just hit the shelves last month!

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* In ''Webcomic/QuentynQuinnSpaceRanger'' ''Webcomic/QuentynQuinnSpaceRanger'', the titular title character missed misses three years without realizing it while on a long mission through largely uncharted space.
->'''QQ:''' -->'''Quentyn:''' Wait, a Mark IV? But the Mark III isn't due out for another year!
->'''Delivery
year!\\
'''Delivery
guy:''' Oh no. The Mark III came out ''last'' year. The Mark IV just hit the shelves last month!


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19th Jul '15 6:27:52 AM Arivne
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[[folder: Other Sites]]
* ''Wiki/SCPFoundation'', [[http://www.scp-wiki.net/scp-1272 SCP-1272 ("Slow-Motion Catastrophe")]]. SCP-1272 is a nongravitational singularity (similar to that of a black hole/hypermass) that tremendously slows down the passage of time inside its area.
[[/folder]]



[[folder: Tabletop RPG]]

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[[folder: Tabletop RPG]]Games]]



[[folder: Tabletop RPG]]

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[[folder: Tabletop RPG]]Games]]
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