rubble pile
Tiny Fragments of a 4-Billion Year Old Asteroid Reveal Its History
In June 2018, Japan's Hayabusa 2 mission reached asteroid 162173 Ryugu. It studied the asteroid for about 15 months, deploying…
3 weeks ago
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…
2 years 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