Astronomy Picture of the Day

Possible Methane Lakes on Titan

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#91402 by @ 01.08.2006 00:00 - nach oben -
Possible Methane Lakes on Titan

Explanation: Have methane lakes been discovered on Saturn's Titan? That exciting possibility was uncovered from analyses of radar images returned last week by the robotic Cassini spacecraft now orbiting Saturn. The above image is a radar reflection from terrain near Titan's North Pole and spans a region about 200 kilometers across. Evidence that the dark areas might be pools of liquid hydrocarbons includes an extreme smoothness implied by the lack of a return radar signal, and apparently connected tributaries. If true, Titan would be only the second body in our Solar System, after Earth, found to possess liquids on the surface. Future observations from Cassini during Titan flybys might test the methane lake hypothesis, as comparative wind affects on the regions are studied.

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#91495 by @ 07.08.2006 13:21 - nach oben -
ich gseh i däm bild e grossi fresse, gseht wienes gspengscht us
#91505 by @ 07.08.2006 15:05 - nach oben -
stimmt. und wenns einisch so agluegt hesch, gsesch gar nümme anders.