Outgoing NASA (news - web sites) Administrator Sean O'Keefe blows out a single candle on a cake as scientists celebrated the one-year anniversary of the Mars rover Spirit landing on the red planet, during a news conference in Pasadena, California January 3, 2005. The rover Spirit, later joined by the rover Opportunity, has been collecting samples from the surface of the planet. O'Keefe will become president of Louisiana State Unitersity in Baton Rouge. REUTERS/Robert Galbraith >