Now that your May 2009 issue of Astronomy is in hand, we’ve updated Astronomy.com with our newest web extras to give subscribers exclusive complementary information on this special collector’s edition that celebrates the 400th anniversary of Galileo turning his telescope to the sky. Take a sneak peek inside the May 2009 Astronomy magazine . If you subscribe to Astronomy , make sure you’re registered with Astronomy.com so you can access these great...