@CNN: This new NASA animation shows the dramatic increase of near-Earth objects. See how many asteroids and comets have come close to Earth in the past 20 years. https://t.co/tityNsGABa https://t.co/cpg1VfYnYv
This new NASA animation shows the dramatic increase of near-Earth objects. See how many asteroids and comets have come close to Earth in the past 20 years. https://t.co/tityNsGABa pic.twitter.com/cpg1VfYnYv
— CNN (@CNN) July 27, 2018