These are the asteroids to worry about

Steven Hawking thought an asteroid impact posed the greatest threat to life on Earth. Thanks to Kiwico for sponsoring this video.

English

Originally Aired November 30, 2020
Runtime 20 minutes
Production Code 4Wrc4fHSCpw
Network YouTube
Created November 30, 2020 by
Administrator admin
Modified November 30, 2020 by
Administrator admin