Look closely, opposite the Sun in NASA's photo, Earth has a Trojan asteroid orbiting it that can never hit the planet. There is a video at the URL below that helps to understand its orbit.

http://www.christianpost.com/news/trojan-asteroid-sharing-earths-same-orbit-a-menace-video-52995/

                              

From: Bible,Prophecy Corner...Pro and Con 1642, posted 12-20-2011, Marilyn J. Agee

http://prophecycorner.theforeverfamily.com/procon1642.html