I can’t stop signing up for courses on Coursera.  I’m such a nerd. Now I’m drawn to this Archaeoastronomy course.  I suppose there are worse things to do with your time.

When the universe is filled with such fascinating beauty and mystery, it’s hard not to be curious about it.

  UGC 1810 and UGC 1813 in Arp 273 (captured by the Hubble Space Telescope)