In interviews last week, second man on the moon Buzz Aldrin teased that he was doing a rap video with Snoop Dogg that would be hitting the Web soon. That day is finally here, as "Rocket Experience" premiered last night. The video, directed by "Terminator: Salvation" helmer McG, shows the 79-year-old astronaut recording the track in the studio with Snoop, Talib Kweli and a series of back-up singers. There's also plenty of footage of space travel mixed in, along with a cameo by Aldrin's Video Music Award. (The MTV Moonman is actually modeled after an image of Aldrin sticking a flag on the moon in 1969.) The clip celebrates the 40th anniversary of Aldrin's walk on the moon, but it's not all fun and games: The song is also available for download, with a portion of the proceeds going to the SpaceShare Foundation.

The idea of Aldrin rapping is pretty funny, but he seems really sold on trying to get young people involved in science and the mysteries of space exploration. Check it out.