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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

See Explanation. Clicking on the picture will download the highest resolution version available.

The Surface of Titan

Explanation: If sailing the hydrocarbon seas of Titan , beware of gasoline rain. Such might be a travel advisory issued next millennium for adventurers visiting Titan , the largest moon of Saturn . Images of Titan 's surface were released last week from the Keck 10-meter telescope featuring the finest details yet resolved. Peering into Titan 's thick smog atmosphere with infrared light, complex features interpreted as oceans, glaciers, and rock became visible. The high-resolution infrared image pictured above was made possible using an unblurring technique called speckle interferometry . The interplanetary probe Cassini will reach Saturn and Titan in 2004 to better explore this unusual world.

Date August 4, 1999
Credit Credit: S. G. Gibbard et al. (IGPP, LLNL)
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.