Phil Plait is my favorite astronomer. He runs a blog called Bad Astronomy . Today he posted this article: Moon Photobombs Earth , showing the moon photobombing the earth from the DSCOVR satellite.
This picture was taken from about a million miles away, at the Earth-Sun L1 Lagrangian point. That means that this satellite is always between the Earth and the Sun, and always sees a full Earth. The moon is about 400,000km away from Earth, and the DSCOVR satellite is about four times that distance away at 1.5 million km. Here is a diagram from Phil’s article.
Here are two things I find very interesting from this picture and article: