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APOD: The Horsehead Nebula (2012 Oct 21) Credit & Copyright: Nigel Sharp (NOAO), KPNO, AURA, NSF http://apod.nasa.gov/apod/ap121021.html Explanation: …
David Hamed flipped this story into Astronomy•4197d
APOD: The Horsehead Nebula (2012 Oct 21) Credit & Copyright: Nigel Sharp (NOAO), KPNO, AURA, NSF http://apod.nasa.gov/apod/ap121021.html Explanation: …
David Hamed flipped this story into Astronomy•4197d