Saturn’s largest moon, Titan, is a fascinating and mysterious world, a world literally shrouded in mystery due to thick clouds that cameras imaging in the visible spectrum cannot penetrate. This was made apparent when NASA’s Pioneer 11 became the first spacecraft to fly past Titan in 1979, and then NASA’s Voyager 1 and 2 in 1980 and 1981, respectively. All three spacecraft were equipped with cameras that were unable to penetrate Titan’s atmosphere of thick clouds, although atmospheric data from Voyager 1 suggested Titan might be the first body, aside from Earth, where liquid might exist on its surface.

Titan’s thick haze layer is shown in this enhanced Voyager 1 image taken on November 12, 1980 at a distance of 435,000 kilometers. (Credit: NASA/JPL)

It wasn’t until the NASA’s Cassini spacecraft had its first encounter with Titan in October 2004 when Saturn’s largest moon was no longer able to hide its secrets beneath the hazy atmosphere. Cassini revealed a world…

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Source: www.universetoday.com