December 2011
22 posts
Interactive Solar System  →
Dec 30th
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Dec 29th
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Dec 28th
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“…I don’t feel rejected by the sky. I’m part of it-tiny, to be...”
– Carl Sagan, Pale Blue Dot
Dec 25th
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Dec 23rd
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Happy Winter Solstice, Northern Hemisphere! :)
Dec 22nd
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Dec 21st
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Dec 20th
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Dec 20th
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Dec 20th
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Dec 19th
1,607 notes
Black Hole Sound Waves →
Sound waves 57 octaves lower than middle-C are rumbling away from a supermassive black hole in the Perseus cluster. Astronomers using NASA’s Chandra X-ray Observatory have found, for the first time, sound waves from a supermassive black hole. The “note” is the deepest ever detected from any object in our Universe. The tremendous amounts of energy carried by these...
Dec 19th
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Dec 15th
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Dec 15th
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Dec 15th
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What would you like to see posted today?
Dec 15th
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Dec 14th
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Dec 8th
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Dec 6th
14,506 notes
Dec 2nd
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Dec 2nd
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Dec 2nd
613 notes