Weekly Space Hangout - June 7, 2012

In this week's Weekly Space Hangout, we talk about the Transit of Venus, the transfer of the space shuttle Enterprise, the future of commercial space exploration, and the new movie Prometheus. We're joined by Alan Boyle from http://cosmiclog.msnbc.msn.com/ and Amy Shira Teitel from http://www.amyshirateitel.com/