Rhea and Epimetheus are two of Saturn’s dozens of moons — Rhea is the larger body visible here. ┬áThe Cassini orbiter which took this photograph arrived at Saturn in 2004, and is expected to continue operating until at least 2017.


Once again thanks to, who find the best things in the universe. ┬áListen to Luke Twyman’s version of the nine planets singing. Mesmerization guaranteed.