Risto Ruuth http://www.ristoruuth.com The Official Website Wed, 13 Mar 2013 09:46:09 +0000 en-En hourly 1 http://wordpress.org/?v= Ring Nebula in Lyra M57-NGC6720 http://www.ristoruuth.com/?p=79 http://www.ristoruuth.com/?p=79#comments Mon, 04 Apr 2011 09:03:41 +0000 admin http://www.ristoruuth.com/?p=79 Ring Nebula in Lyra M57-NGC6720

Ring Nebula in Lyra M57-NGC6720

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