Romeo Durscher from Stanford, CA, who goes by @RomeoCH on Twitter, tweets with his Solar Dynamics Observatory (SDO) mascot named "Camilla" by his side during the NASA STS-133 mission tweetup on Monday, Nov., 1, 2010 at the NASA Kennedy Space Center in Cape Canaveral, Fla. NASA Tweetups provide @NASA followers with the opportunity to go behind-the-scenes at NASA facilities and events and speak with scientists, engineers, astronauts and managers. Photo Credit: (NASA/Bill Ingalls)