NASA Twitter follower Heather Goss from Washington, DC, who goes by the twitter name @heathermg, twitters as she stands in front of space shuttle Atlantis at launch pad 39A as part of during a tour of Kennedy Space Center in Cape Canaveral, Fla, Sunday, Nov. 15, 2009. Space shuttle Atlantis is set to launch on Monday, Nov. 16, 2009 and dock with the International Space Station (ISS) two days later. Photo Credit: (NASA/Carla Cioffi)
