Astrobuff

A Blue Moon is the second of two full Moons that fall in the same month. This can occur because full Moon's occur roughly every 29.5 days. A Blue Moon occurs roughly every two and three-quarter years. So, now you know how long once in a Blue Moon really is.

Ever heard of Armalcolite? Armalcolite is a mineral that was discovered at Tranquility Base by the Apollo 11 crew. It was named for ARMstrong, ALdrin and COLlins, the three Apollo 11 astronauts.

Snoopy, the Peanuts Comic Strip character is the astronauts' personal safety mascot.