Famous astronauts, including five moon-walkers and most Apollo astronauts, join Scott Carpenter, space shuttle astronauts and mission controllers to autograph photos, pose for pictures and chat with fans at Spacefest V, from 9 a.m. to 5 p.m., daily throughout Memorial Day weekend, Friday through Monday, May 24 through 27; $20. Speakers include heart-throb British physicist Brian Cox and Cassini-Saturn's imaging leader Carolyn Porco. Other presenters and exhibitors include astronomers, space scientists, space art and artists, space-book authors, NASA contractors and traders in space lore and ephemera. Visit spacefest.info
to register and for more information.