NASA Announces Launch Tweetup For GRAIL Moon Mission - Fri 22 Jul 2011 04:00:AM
NASA will host a two-day launch Tweetup for 150 of its Twitter followers on Sept. 7-8 at the agency's Kennedy Space Center in Florida.
Source: NASA Announces Launch Tweetup For GRAIL Moon Mission
Source: NASA Announces Launch Tweetup For GRAIL Moon Mission