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Дата изменения: Mon Oct 20 10:46:26 2008
Дата индексирования: Tue Oct 2 18:11:50 2012
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Поисковые слова: запрещенные спектральные линии
Moons, Rings, and Unexpected Colors on Saturn
Astronomy Picture of the Day
    


Moons, Rings, and Unexpected Colors on Saturn
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Moons, Rings, and Unexpected Colors on Saturn
Credit & Copyright: Cassini Imaging Team, SSI, JPL, ESA, NASA
Explanation: Why would Saturn show such strange colors? The robotic Cassini spacecraft currently orbiting Saturn has beamed back images showing that the northern hemisphere our Solar System's most spectacularly ringed planet has changed noticeably since Cassini arrived in 2004, now sporting unusual and unexpected colors. No one is sure why. Although the cause for many of Saturn's colors is unknown, the recent change in colors is thought to be related to the changing seasons. Pictured above, the unusual colors are visible just north of the dark ring shadows. The razor-thin plane of ring particles is visible nearly edge-on across the bottom of the image. The cloudy moon Titan looms large just above the rings, while close observation will reveal three other moons. Cassini arrived at Saturn in 2004, sending back data and images that have not only led to a deeper understanding of the Jovian world's atmosphere, moons, and rings, but also raised new mysteries.


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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Based on Astronomy Picture Of the Day

Publications with keywords: Saturn - cassini spacecraft
Publications with words: Saturn - cassini spacecraft
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