NASA astronauts Scott Altman and Mike Massimino of the STS-125 mission visit the New York Stock Exchange to support the release of Hubble 3D, the newest IMAX film, which documents the mission to repair the Hubble Space Telescope and features never-before-seen 3D flights through Hubble imagery such as the Orion Nebula. In honor of the occasion, Altman and Massimino ring 'The Closing Bell' ending the day's trading at the Exchange on Thursday, March 18, 2010. Image Credit: NYSE (Used by permission)