rubble pile

Don’t Bother Trying to Destroy Rubble Pile Asteroids

The asteroids in our Solar System are survivors. They've withstood billions of years of collisions. The surviving asteroids are divided…

1 year ago

A Group of Meteorites All Came From a Destroyed Planetesimal With a Magnetic Core

Before our Solar System had planets, it had planetesimals. Scientists think that most of the meteorites that have struck Earth…

4 years ago