byDave Mosher of Discovery Space
Guest Top Ten List
Dave Mosher is a science journalist, blogger and producer for the Discovery Channel's space site, Discovery Space. He's also the author of another list on Blogs.com: Top 10 Space Blogs. Check out his own excellent space blog at Space Disco or follow him on Twitter.
AstroEngine
Astronomy Blog
Astronomy Cast 
Astronomy.com Blog 
Bad Astronomy
Cosmic Log 
Professor Astronomy 
Simostronomy 
Starts With A Bang! 
Universe Today 
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