...what would you have said as you stepped onto the lunar surface in 1969? The folks at the Jodrell Bank Centre for Astrophysics in England want your suggestions (but only if you live in the U.K., sorry). They'll choose the five best recorded messages, turn them into radio signals, and bounce them off the moon on July 19. For details, or to submit a message, see the Moonbounce competio n website.
Speaking of Jodrell Bank, their antenna dish received data from the Soviet Union's Luna 9 lander in February 1966, including this first photo taken on the moon's surface.