Cassini nears 100th Titan flyby with a look back
Thursday, March 6, 2014 - 09:00
in Astronomy & Space
(Phys.org) —Ten years ago, we knew Titan as a fuzzy orange ball about the size of Mercury. We knew it had a nitrogen atmosphere—the only known world with a thick nitrogen atmosphere besides Earth. But what might lie beneath the hazy air was still just a guess.