Titan's origins linked to Oort cloud

By Ashley Yeager, 10:31 AM July 1, 2014

The nitrogen in the atmosphere of Saturn's moon Titan seems to have gotten its start as ammonia ice in the early solar system. The finding suggests that the essential building blocks of Titan formed under similar conditions as ancient comets in the Oort cloud, not in the warm disk that surrounded Saturn when the planet was young, researchers report June 20 in Astrophysical Journal Letters.

ESA’s Rosetta mission could confirm the results later this year when it studies comet 67P/Churyumov-Geras...

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