close encounter with a passing astronomical object theme

An astronomical object comes into close proximity with a populated planet and poses a threat to continued civilization.

Examples

The genetically engineered colonist utopia on Moab IV was threatened by a stray stellar core fragment from a collapsed neutron star in tng5x13 "The Masterpiece Society". A worldwide catastrophe when an errant comet passes by Earth and causes natural disasters and social unrest in The End of The World (1916).

10 total · 9 major · 1 minor

StoryLevelMotivation
movie: A Fire in the Sky (1978) major Astronomer Jennifer Dreiser identified a comet passing by Jupiter that was projected to hit Arizona in eight days time. It was big enough to take out Phoenix.
movie: Battle of the Worlds (1961) major A team of scientists discover a rogue planet from another galaxy, dubbed the "The Outsider", has entered the solar system will collide with Earth.
movie: Crash of Moons (1954) major A moon was on a collision course with the planet Ophiuchus and the United Worlds helped the inhabitants evacuate.
movie: Gorath (1962) major The runaway star Gorath was on a course to collide with Earth.
movie: The End of the World (1916) major An errant comet passes by Earth and causes natural disasters.
movie: The End of the World (1931) major An errant comet passes by Earth and causes natural disasters.
movie: Warning from Space (1956) major A nuclear device is created to destroy a rogue planet that was on a collision course approaching with Earth.
movie: When Worlds Collide (1951) major A rogue star called Bellus triggers a desperate effort to build a space ark to transport a group of men and women to Bellus' single planet, Zyra.
tng5x13 major stellar core fragment
movie: The Man from Planet X (1951) minor It was feared the approach of Planet X to Earth would cause natural catastrophes.