The footprints astronauts left on the Moon will likely last for millions of years.
Fact #11471
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Comets can develop long tails when near the Sun.
Fact #281 · Space
Venus rotates in the opposite direction of most planets in our solar system.
Fact #6 · Space
The event horizon marks the boundary around a black hole.
Fact #1616 · Space
The Milky Way is on a slow collision course with Andromeda.
Fact #143 · Space
There are rogue planets drifting through space with no star at all.
Fact #1862 · Space
Black holes can slow time so much that seconds near them equal years far away.
Fact #1776 · Space
Saturn's largest moon is Titan.
Fact #271 · Space
Saturn could float in water because its density is low.
Fact #108 · Space
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