11. Important Protection • Earth.com 11. Important Protection

We’d hate to sound like a broken record, but the lack of a protective atmosphere really does make a difference. Chances are that the Earth has the same amount of asteroid collisions as the moon – but you’d never know it. That’s because our atmosphere shields us from them. The constant changes on Earth’s surface also cover up most of the evidence.

News coming your way
The biggest news about our planet delivered to you each day