191 - Moon on Moon
For most people, we often marvel at the beauty of a
sunrise or the magnificence of a full moon,
but it is impossible to
fathom the magnitude of the universe that surrounds us.
Richard H. Baker
Richard H. Baker
96 - Titan - Largest Moon of Saturn
Canon 5DmkII, 16-35mm at 16mm, iso100, 1, 4 & 15 sec at f/13.0, Titan is the largest moon of Saturn, the only moon known to have a dense atmosphere and the only object other than Earth for which clear evidence of stable bodies of surface liquid has been found. Titan is the sixth ellipsoidal moon from Saturn. Frequently described as a planet-like moon, Titan has a diameter roughly 50% larger than Earth's moon and is 80% more massive. It is the 2nd largest moon in the Solar System, after Jupiter's moon Ganymede, and it is larger by volume than the smallest planet, Mercury, although only half as massive. Titan was the first known moon of Saturn, discovered in 1655 by the Dutch astronomer Christiaan Huygens. Titan is primarily composed of water ice and rocky material. Much as with Venus until the Space Age, the dense, opaque atmosphere prevented understanding of Titan's surface until new information accumulated with the arrival of the Cassini-Huygens mission in 2004, in...
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