Add Yahoo as a preferred source to see more of our stories on Google. This illustration, created in March 2021, depicts asteroid Psyche, which lies in the main asteroid belt between Mars and Jupiter.

"An asteroid of this size comes this close roughly once every ten years". When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. An unusually large near-Earth asteroid, (152637) 1997 NC1, ...