Bumpy Bennu

Asteroid Bennu: Massive rocks unlock secrets of the universe

Thermal images explain why Bennu looks like this.

NASA via Giphy

The asteroid Bennu is an anomaly.

Its diamond-like shape and scraggly texture give it a memorable appearance — and make it a curious object for scientists to study.

NASA

It’s also extremely old and hasn’t changed much since it formed nearly 4 billion years ago.