I’ll keep this simple, as you can get longer writeups at Universe Today, Bad Astronomy, and the NASA site, but a NASA spacecraft currently orbiting the Moon just released images of five of the six Apollo landing sites.
Why am I so excited about this? Because you can see the Earth-junk we left there! There’s the lunar module from Apollo 11:
the one from Apollo 14 (Apollo 12 was out of the way, and Apollo 13 — of course — never made it onto the Moon):
and from Apollo 15:
and Apollo 17:
Go back to Apollo 14. There’s something spectacular that you can see on the Moon in that image. See that other bright white dot in that image? See the darker lines that run back and forth? Those are astronaut footprints and science instruments that we put there!
In three days, we celebrate the 40th anniversary of the first manned Moon landing, and I can’t think of a better set of images to remind us of arguably our greatest achievement as a species.