NASA Astronomy Picture of the Day Collection
Crescents of Titan and Dione
What would it be like to see a sky with many moons? Such is the sky above Saturn [ http://www.nineplan ]. When appearing close to each other, moons will show a similar phase [ http://tycho.usno.n ]. A view with two of the more famous moons of Saturn [ http://antwrp.gsfc. ] in crescent phase [ http://antwrp.gsfc. ] was captured last month by the robot [ http://robotics.jpl ] spacecraft Cassini [ http://saturn.jpl.n ] now orbiting Saturn. Titan [ http://en.wikipedia ], on the lower left, is among the largest moons in the Solar System [ http://seds.lpl.ari ] and is perpetually shrouded in clouds. Recently, the Huygens probe landed on Titan [ http://antwrp.gsfc. ] and gave humanity its first view of its unusual surface. Dione [ http://www.nineplan ], on the upper right, has less than a quarter of Titan [ http://www.solarvie ]'s diameter and has no significant atmosphere. Dione [ http://antwrp.gsfc. ], although appearing smaller, was only half the distance to Titan when the above image [ http://photojournal ] was taken.
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