@CNN: NASA to use Earth’s gravitational pull to fling a spaceship towards an asteroid today https://t.co/P0BVLBEXjV https://t.co/njlEV5fTwz

@CNN: NASA to use Earth’s gravitational pull to fling a spaceship towards an asteroid today https://t.co/P0BVLBEXjV https://t.co/njlEV5fTwz