The spiral galaxy known as NGC 3521 lies in the constellation of Leo, a mere 35 million light-years away. Now go flush and see if you understand the connection between the two.
February 18, 2014 The relationships between big and small, near and far, then and now can be perplexing. Commentator Adam Frank says you can bring it all into focus by spending a little quality time with your toilet.
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June 23, 2010 Doing the wave in different hemispheres.
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