Thursday, May 14, 2009
Photo: NASA TV Two astronauts swap-out a camera on the Hubble Space Telescope during a spacewalk today. It was a precarious operation. Yesterday, the space shuttle Atlantis latched onto Hubble and both are now floating in orbit, about 350 miles above Earth. The big concern for NASA officials is the tons of debris from discarded satellites. On Wednesday, a piece of space junk […]