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* ''Literature/ASwiftlyTiltingPlanet'': Charles Wallace and Gaudior suggest that an EarthShatteringKaboom brought on by a nuclear war on Earth could be enough to cause the Sun to become a supernova. Notwithstanding Creator/MadeleineLEngle's [[AWizardDidIt customary bizarreness]], the Sun is so much bigger than Earth it wouldn't care one whit if Earth physically ''fell in'', but also is far too small to ever become a supernova. (That's quite apart from the fact that [[SciFiWritersHave/NoSenseOfEnergy all the nuclear warheads we've ever built put together could at most render Earth uninhabitable, not destroy it altogether]].)
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* ''Literature/ASwiftlyTiltingPlanet'': Charles Wallace and Gaudior suggest that an EarthShatteringKaboom brought on by a nuclear war on Earth could be enough to cause the Sun to become a supernova. Notwithstanding Creator/MadeleineLEngle's [[AWizardDidIt customary bizarreness]], the Sun is so much bigger than Earth it wouldn't care one whit if Earth physically ''fell in'', but also is far too small to ever become a supernova. (That's quite apart from the fact that [[SciFiWritersHave/NoSenseOfEnergy [[SciFiWritersHaveNoSenseOfScale all the nuclear warheads we've ever built put together could at most render Earth uninhabitable, not destroy it altogether]].)
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* ''Series/StarTrekPicard'': In attempting to address the [[SciFiWritersHaveNoSenseOfScale scale problems]] of ''Film/StarTrek2009'', the pilot episode issues a {{retcon}} that the supernova that destroyed Romulus was of the Romulan sun itself, rather than a distant star as the film had implied (which was used in ''ComicBook/StarTrekCountdown'' and ''VideoGame/StarTrekOnline''). This introduces the new problem that a star big enough to turn into a Type II supernova would be unlikely to ever have any Earthlike planets around it: larger stars have shorter lifespans and produce more radiation, and the star would expand and incinerate any planets formerly orbiting in its habitable zone millions of years before going nova. The TieInNovel suggested that [[StarKilling the supernova wasn't a natural occurrence]], handwaving its behavior.
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* ''Series/StarTrekPicard'': In attempting to address the [[SciFiWritersHaveNoSenseOfScale scale problems]] of ''Film/StarTrek2009'', ''Film/{{Star Trek|2009}}'', the pilot episode issues a {{retcon}} that the supernova that destroyed Romulus was of the Romulan sun itself, rather than a distant star as the film had implied (which was used in ''ComicBook/StarTrekCountdown'' and ''VideoGame/StarTrekOnline''). This introduces the new problem that a star big enough to turn into a Type II supernova would be unlikely to ever have any Earthlike planets around it: larger stars have shorter lifespans and produce more radiation, and the star would expand and incinerate any planets formerly orbiting in its habitable zone millions of years before going nova. The TieInNovel suggested that [[StarKilling the supernova wasn't a natural occurrence]], handwaving its behavior.
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* The opening scene of ''Film/AddictedToLove'' has an astronomer predict a supernova to the '''day'''. Not only that, but the star he predicts is α Orionis, AKA Betelgeuse, the bright red star in the constellation Orion and one of the most observed stars. The explosion of a supernova itself takes only one to two minutes over the life course of a star that size of millions of years. And he manages to see all this at high noon with an optical telescope, when the signals would have been detected by radio telescopes much sooner. On the opposite side, but still very wrong, his boss also says that Betelgeuse won't go supernova for a hundred million years, when it is known to be evolving quickly and going to explode in less than a hundred thousand.
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* ''WesternAnimation/{{Futurama}}'': Averted in ''A Big Piece of Garbage'': Professor Farnsworth acknowledges that the oncoming garbage ball has to be destroyed before it comes within proximity of Earth; any closer, and the debris will rain down, regardless, killing countless innocents. Bender isn't moved.
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* In ''Anime/MobileSuitGundamAGE'', it's revealed that a Mars colonization project failed because Mars' magnetic field produced dangerous rays that caused an epidemic of terminal disease among the population. It comes off as a way to get around saying that recklessly colonizing Mars would [[TheDiseaseThatShallNotBeNamed give you cancer]], because the fact that Mars ''has no magnetic field'' means that any life there has no protection from solar and cosmic radiation.
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* In ''Anime/MobileSuitGundamAGE'', it's ''Anime/MobileSuitGundamAGE'': It's revealed that a Mars colonization project failed because Mars' magnetic field produced dangerous rays that caused an epidemic of terminal disease among the population. It comes off as a way to get around saying that recklessly colonizing Mars would [[TheDiseaseThatShallNotBeNamed give you cancer]], because the fact that Mars ''has no magnetic field'' means that any life there has no protection from solar and cosmic radiation.
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* In ''ComicBook/{{Superman}}'' story "ComicBook/TheSuperDogFromKrypton", Jor-El needs to test an experimental rocket but he has not time to look for test animals, so he grabs his son's pet puppy and puts him into the rocket right away. However, such a brilliant scientist as Jor-El should know that test animals need years of training and conditioning, so that picking and shoving Krypto into the rocket would make the experiment worthless and his dog's sacrifice senseless.
