Now that the August 2009 issue of Astronomy is in the mail or already in hand, we’ve updated Astronomy.com with our newest web extras to give subscribers exclusive complementary information to this special issue about our return to the Moon. Take a sneak peek inside the August 2009 Astronomy magazine . If you subscribe to Astronomy , make sure you’re registered with Astronomy.com so you can access these great extras. Here are this issue's highlights...

“Wanted: a few hundred thousand computers with a little spare time on their hands.” That’s the basic job qualification if you (and your personal computer) want to join Einstein@Home, a massive international project that uses donated personal computer time to crunch data for real scientists. The project has been going on for several years . This week, Einstein@Home announced it will begin to analyze data from a new source: the giant radio telescope...

It’s not every day you get a mysterious new celestial object named after you. But that’s what happened to Hanny van Arkel (pictured below), a primary schoolteacher from The Netherlands. And all she had to do was point and click. Van Arkel discovered a glowing green gaseous object, which scientists dubbed “Hanny’s Voorwerp” (Dutch for “Hanny’s object,” pictured at right). It was an early success from the Galaxy Zoo project, one of the biggest-ever...