That's actually a pretty cool photo. I was staring at it, as my new background, and was thinking how amazing it is that their mutual gravitational influence is

That's actually a pretty cool photo. I was staring at it, as my new background, and was thinking how amazing it is that their mutual gravitational influence is actually enough to keep the moon in its orbit. I guess I mean it's hard to tell just how massive yet, in contrast, how small something like the earth and moon are. That or it's the half bottle of beer I've had.