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http://www.dearastronomer.com/
“We are a way for the cosmos to know itself.” – Dr. Carl Sagan
Ray Sanders is a Sci-Fi geek, astronomer and blogger. Currently researching variable stars at Arizona State University, he writes for Universe Today, The Planetary Society blog, and his own blog, Dear Astronomer
2012-12-04 08:05:02
Source: http://www.dearastronomer.com/2010/10/17/sagan-sunday/