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vicked.vicky
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Joined: 03 May 2008
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 Posted: Oct 10, 2009 Topic Views : 143 Post subject: King of The Rings: Saturn Doughnut Ring - Infrared View |
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King of The Rings: Saturn Doughnut Ring - Infrared View
King of The Rings: This artist's illustration simulates an infrared view of the giant ring. Saturn appears as just a small dot within the band of ice and dust. The ring's diameter is equivalent to roughly 300 Saturns lined up side to side
The 'super-sized' halo was found by Nasa's Spitzer Space Telescope. To get a sense of its size it has a vertical height which is about 20 times the diameter of the planet, which is nine times the size of our planet. Furthermore, the entire volume of the ring could hold about one billion Earths.
The bulk of the ring starts about 3.7million miles from Saturn itself and extends outward about another 7.4million miles.
With it being so huge many will ask how come it was not seen before. This is because the ring is extremely diffuse and doesn't reflect much visible light but its dusty particles, despite being very cold, shine with infrared light, or heat radiation which Spitzer is able to see.
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Sawera
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| Posted: Oct 10, 2009 Post subject: |
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informative and interesting
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chandoo
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Joined: 08 Sep 2007
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| Posted: Oct 10, 2009 Post subject: |
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its really a giant ring.
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ujala
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| Posted: Oct 10, 2009 Post subject: |
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Nice post
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Here You can
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