Buzz Aldrin, Apollo 11 astronaut, smiles during a news conference at Boston Symphony Hall, Thursday, June 11, 2009, in Boston. As part of a special celebration of the 40th anniversary of the Apollo 11 moon landing, Apollo 11 astronaut Aldrin joined conductor Keith Lockhart, not photographed, and the Boston Pops to narrate a special rendition of Gustav Holst's The Planets. AP Photo logo AP Photo 5 months ago

Buzz Aldrin, Apollo 11 astronaut, smiles during a news conference at Boston Symphony Hall, Thursday, June 11, 2009, in Boston. As part of a special celebration of the 40th anniversary of the Apollo 11 moon landing, Apollo 11 astronaut Aldrin joined conductor Keith Lockhart, not photographed, and the Boston Pops to narrate a special rendition of Gustav Holst's The Planets.