History ApocalypseHow / Class5

1st Feb '17 12:16:06 PM Xtifr
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** Special mention to the IronWarriors short story "The Heraclitus Effect", in which Honsou uses an experimental ''agricultural aid'' to hyper-accelerate the growth of remnant Tyranid growths on [[spoiler:Tarsis Ultra]] - out of ''spite''.

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** Special mention to the IronWarriors ''Literature/IronWarriors'' short story "The Heraclitus Effect", in which Honsou uses an experimental ''agricultural aid'' to hyper-accelerate the growth of remnant Tyranid growths on [[spoiler:Tarsis Ultra]] - out of ''spite''.
27th Jan '17 12:28:16 AM PaulA
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* The eventual fate of Earth in Creator/IsaacAsimov's ''Robots-Empire-{{Foundation}}'' novels, due to gradually increasing background radiation, which starts as a Class 0 event and gradually rises up to this level. It takes long enough that everyone eventually moves out into space.

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* The eventual fate of Earth in Creator/IsaacAsimov's ''Robots-Empire-{{Foundation}}'' ''Robots-Empire-{{Literature/Foundation}}'' novels, due to gradually increasing background radiation, which starts as a Class 0 event and gradually rises up to this level. It takes long enough that everyone eventually moves out into space.
28th Dec '16 5:14:19 PM Premonition45
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* When the Death Star uses its laser (at minimum power setting!) in ''Film/RogueOne'' on [[spoiler: the Holy City of Jedha]], the resulting blast sends a shockwave through the mantle that sends the ground ''peeling off the moon's surface''. The entire surface of the moon was probably ravaged as a result and won't be habitable for probably thousands of years without major terraforming efforts.

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* When the Death Star uses its laser (at minimum power setting!) in ''Film/RogueOne'' on [[spoiler: the Holy City of Jedha]], the resulting blast sends a shockwave through the mantle that sends the ground ''peeling off the moon's surface''. The entire surface of the moon was probably ravaged as a result and won't be habitable for probably thousands of years without major terraforming efforts. Towards the end, [[spoiler:it's used once more against the under-siege Imperial Database Archives on Scarif, killing Imperial and Rebel troops alike, including Death Star co-developer Director Orson Krennic]].
21st Dec '16 10:42:04 PM BattleMaster
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Added DiffLines:

* When the Death Star uses its laser (at minimum power setting!) in ''Film/RogueOne'' on [[spoiler: the Holy City of Jedha]], the resulting blast sends a shockwave through the mantle that sends the ground ''peeling off the moon's surface''. The entire surface of the moon was probably ravaged as a result and won't be habitable for probably thousands of years without major terraforming efforts.
9th Nov '16 5:34:59 PM nombretomado
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* The FinalBattle of JohnCWright's ''Literature/WarOfTheDreaming'' is expected to result either in this or Class 4 event. For obvious reasons, not many people want it to happen.

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* The FinalBattle of JohnCWright's Creator/JohnCWright's ''Literature/WarOfTheDreaming'' is expected to result either in this or Class 4 event. For obvious reasons, not many people want it to happen.



* Frank Herbert's Franchise/{{Dune}} series, as well as the sequels by Brian Herbert and Kevin Anderson include the Obliterator weapon. This weapon was stolen from the Machine Empire by the Honored Matres and used in a SaltTheEarth retreat across the galaxy. They later use an Obliterator against Arrakis in an attempt to destroy the natural source of Spice and a number of their enemies (including Darwi Odrade, Sheanna, and Duncan Idaho). In the Dune sequels, the Guild Navigators use an Obliterator against Richesse at the behest of the Honored Matre rebels to cripple the Bene Gesserit. Although the use of the Obliterator destroys all life on the planet, it's later revealed that a number of the worms of Dune knew that the attack would come (being possessed with prescience thanks to Leto II) and survived the attack by burrowing deep into the planet's crust.

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* Frank Herbert's Franchise/{{Dune}} ''Franchise/{{Dune}}'' series, as well as the sequels by Brian Herbert and Kevin Anderson include the Obliterator weapon. This weapon was stolen from the Machine Empire by the Honored Matres and used in a SaltTheEarth retreat across the galaxy. They later use an Obliterator against Arrakis in an attempt to destroy the natural source of Spice and a number of their enemies (including Darwi Odrade, Sheanna, and Duncan Idaho). In the Dune sequels, the Guild Navigators use an Obliterator against Richesse at the behest of the Honored Matre rebels to cripple the Bene Gesserit. Although the use of the Obliterator destroys all life on the planet, it's later revealed that a number of the worms of Dune knew that the attack would come (being possessed with prescience thanks to Leto II) and survived the attack by burrowing deep into the planet's crust.
17th Oct '16 3:51:27 AM Morgenthaler
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* The "Destinations" setting in [[HeroSystem "Post-Apocalypse Hero"]] takes place after a solar flare sterilized the Earth. [=PCs=] are among the few people who were far enough below ground to not be vaporized. Oh, yes, the total absence of plant life not only cuts down on food options but could thoroughly hose oxygen levels if you can't find a way to fix matters.

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* The "Destinations" setting in [[HeroSystem [[TabletopGame/HeroSystem "Post-Apocalypse Hero"]] takes place after a solar flare sterilized the Earth. [=PCs=] are among the few people who were far enough below ground to not be vaporized. Oh, yes, the total absence of plant life not only cuts down on food options but could thoroughly hose oxygen levels if you can't find a way to fix matters.
27th Sep '16 2:44:42 AM Morgenthaler
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* ''TechInfantry'' has a the moon severely structurally weakened by having miniature black holes repeatedly fired ''through'' it, then a large starship crashed into the crater at a large fraction of the speed of light, shattering the moon into a billion pieces. The fragments of moon rock shower down onto the surface of the Earth, creating enough kinetic heating from the impacts to ''melt'' most of the surface of the Earth and boil the oceans.

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* ''TechInfantry'' ''TabletopGame/TechInfantry'' has a the moon severely structurally weakened by having miniature black holes repeatedly fired ''through'' it, then a large starship crashed into the crater at a large fraction of the speed of light, shattering the moon into a billion pieces. The fragments of moon rock shower down onto the surface of the Earth, creating enough kinetic heating from the impacts to ''melt'' most of the surface of the Earth and boil the oceans.
30th Aug '16 4:15:29 AM Morgenthaler
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* Creator/CSLewis's ''{{Narnia}}'' has the Deplorable Word, an incantation that instantly kills every living thing in the user's world except the user. Jadis of Charn used this long before becoming the White Witch; luckily, alternate magical laws seem to keep it from working on Earth or Narnia itself.
* David Gerrold's ''TheWarAgainstTheChtorr'' series is either Class 4 or Class 5. The Chtorr are gradually but inexorably replacing Earth's biome with Chtorr. The apparently inevitable result is the replacement of ''all'' life forms on Earth with Chtorr. [[spoiler: The invasion started at the microbe level, with plagues that devastated the majority of human population. As the invasion continues, more and higher level positions in the food chain are being replaced with Chtorr, with the possible exception of the worms, who appear to be top-tier predators. But since nobody knows exactly what the Chtorr is, it's hard to say for certain.]]

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* Creator/CSLewis's ''{{Narnia}}'' ''Literature/{{Narnia}}'' has the Deplorable Word, an incantation that instantly kills every living thing in the user's world except the user. Jadis of Charn used this long before becoming the White Witch; luckily, alternate magical laws seem to keep it from working on Earth or Narnia itself.
* David Gerrold's ''TheWarAgainstTheChtorr'' ''Literature/TheWarAgainstTheChtorr'' series is either Class 4 or Class 5. The Chtorr are gradually but inexorably replacing Earth's biome with Chtorr. The apparently inevitable result is the replacement of ''all'' life forms on Earth with Chtorr. [[spoiler: The invasion started at the microbe level, with plagues that devastated the majority of human population. As the invasion continues, more and higher level positions in the food chain are being replaced with Chtorr, with the possible exception of the worms, who appear to be top-tier predators. But since nobody knows exactly what the Chtorr is, it's hard to say for certain.]]



* StephenBaxter's ''Literature/{{Evolution}}'' does a FlashForward near the end to the death of the very last lifeforms on Earth. This is so far in the future that the sun has begun to expand in preparation for its collapse into a white dwarf.

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* StephenBaxter's Creator/StephenBaxter's ''Literature/{{Evolution}}'' does a FlashForward near the end to the death of the very last lifeforms on Earth. This is so far in the future that the sun has begun to expand in preparation for its collapse into a white dwarf.



* KurtVonnegut's novel ''Literature/CatsCradle'' ends with [[spoiler:the destruction of all life on Earth by a sample of "ice-nine", which causes all of the planet's water [[TheVirus to convert to ice-nine]], which has a room-temperature freezing point. Thus, all the water in the world freezes solid.]]

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* KurtVonnegut's Creator/KurtVonnegut's novel ''Literature/CatsCradle'' ends with [[spoiler:the destruction of all life on Earth by a sample of "ice-nine", which causes all of the planet's water [[TheVirus to convert to ice-nine]], which has a room-temperature freezing point. Thus, all the water in the world freezes solid.]]
25th Aug '16 4:39:59 PM nombretomado
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** The first episode of the DiscoveryChannel miniseries ''Miracle Planet'' demonstrated this using an asteroid around 500 km in diameter (that's smaller than the diameter of the above-mentioned asteroid from ''Armageddon'') colliding with present-day Earth.

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** The first episode of the DiscoveryChannel Creator/DiscoveryChannel miniseries ''Miracle Planet'' demonstrated this using an asteroid around 500 km in diameter (that's smaller than the diameter of the above-mentioned asteroid from ''Armageddon'') colliding with present-day Earth.
22nd Aug '16 10:54:55 PM UmbrellasWereAwesome
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** ''Literature/HaloTheFallOfReach'' established that the Covenant's main mode of operation against human worlds is "glassing", a systematic bombardment of the planet's surface with plasma weaponry that vaporizes the ecosphere and reduces the surface to a uniform glassy mineral. About the only time they ''don't'' do this is if a human world has Forerunner relics on it.
** Later sources dial down the power of glassing a bit: the Covenant don't actually ''have'' the ability to 100% glass an entire planet and wage a large-scale war at the same time. The damage is still catastrophic, but many planets that the Covenant don't consider important only receive a cursory glassing, which often leaves survivors who are able to survive on their ruined worlds for years afterwards. And restoration of glassed planets is possible, even if the process is still lengthy and arduous.

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** ''Literature/HaloTheFallOfReach'' established that the Covenant's main mode of operation against human worlds is "glassing", a systematic bombardment of the planet's surface with plasma weaponry that vaporizes the ecosphere and reduces the surface to a uniform glassy mineral. About the only time they ''don't'' do this is if a human world has Forerunner relics on it.
**
it. Later sources dial down the power of glassing a bit: the Covenant don't actually ''have'' the ability to 100% glass an entire planet and wage a large-scale war at the same time. The damage is still catastrophic, but many planets that the Covenant don't consider important only receive a cursory glassing, which often leaves survivors who are able to survive on their ruined worlds for years afterwards. And restoration of glassed planets is possible, even if the process is still lengthy and arduous.
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