Continents

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Animated video shows us what the Earth looks like when drained of all water
science

Animated video shows us what the Earth looks like when drained of all water

The video reveals land bridges that existed between continents, possibly allowing our ancestors to travel.

Asteroid impacts millions of years ago helped form Earth’s crust, continents
science

Asteroid impacts millions of years ago helped form Earth’s crust, continents

During the Hadean eon in Earth's history, the planet was constantly bombarded by asteroids: Study.