RT @AAS_Press: B612 Foundation Releases Video Showing Evidence of 26 Multi-Kiloton Asteroid Impacts Since 2001. b612foundation.org/wp-content/upl… [PDF]
RT @AAS_Press: B612 Foundation Releases Video Showing Evidence of 26 Multi-Kiloton Asteroid Impacts Since 2001. b612foundation.org/wp-content/upl… [PDF]