@CNN: NASA to use Earth’s gravitational pull to fling a spaceship towards an asteroid today https://t.co/m78ZFcK6i7 https://t.co/ctlm9a5bTq
NASA to use Earth’s gravitational pull to fling a spaceship towards an asteroid today https://t.co/m78ZFcK6i7 http://pic.twitter.com/ctlm9a5bTq
— CNN (@CNN) September 22, 2017