This image of asteroid Bennu is made up of 12 PolyCam images collected on Dec. 2 by the OSIRIS-REx spacecraft from 15 miles away. (Credit: NASA/Goddard/University of Arizona)
This image of asteroid Bennu is made up of 12 PolyCam images collected on Dec. 2 by the OSIRIS-REx spacecraft from 15 miles away. (Credit: NASA/Goddard/University of Arizona)
Sign up for our weekly newsletter and unlock one more article for free.
View our Privacy Policy
Want more?
Keep reading for as low as $1.99!
Already a subscriber?
Find my Subscription
Save up to 40% off the cover price when you subscribe to Discover magazine.