planet killer
Celestial body annihilator
Planet killer refers to something capable of destroying an entire planet or rendering it uninhabitable.
The term appears most often in science fiction—asteroids, superweapons, or alien forces that threaten Earth: The asteroid was a planet killer heading straight for us.
In astronomy, it describes real celestial objects large enough to cause mass extinction on impact.
Figuratively, planet killer characterizes catastrophic environmental threats: Carbon emissions are the slow-motion planet killer.
- asteroidSun-orbiting rocky mass
- extinctionComplete vanishing of a species
- extinction eventCatastrophic biodiversity collapse
- doomsdayProphesied world's end
- apocalypseTotal civilizational collapse
impact · collision · meteor · comet · annihilation · destroyer · cataclysm · end of days · dinosaurs · crater · obliteration · superweapon · cosmic · devastation · world ender · mass extinction · fireball · nuclear winter
- Superweaponsnuclear bomb, atomic bomb, hydrogen bomb, neutron bomb, thermonuclear bomb
planet killerworld builder
Designer of fictional universes
terraform · planetary formation · protoplanet · planetary nebula
planet killerlife giver
What creates existence
Goldilocks zone · stellar nursery · biosphere · panspermia · Jupiter
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