City-Sized Asteroids Pelted Early Earth

James Maynard
Jul 11 · 2 min read

City-sized asteroids may have rained down on Earth during the early days of our planet, a new study concludes.

An city-sized asteroid closes in for a disastrous impact on Earth. Image credit: The Cosmic Companion / Created in Universe Sandbox

The early solar system was a violent place, and ancient Earth was pummeled by a bevy of asteroids for millions of years. Now, a new study shows this period of heavy bombardment was 10 times greater than previously believe, a new study shows.