The Shuttle landing - the back wheels touching down.

Space Shuttle Atlantis Lands after Servicing Mission 4

Space Shuttle Atlantis touches down on Runway 22 at Edwards Air Force Base in California, ending the STS-125 mission to repair and upgrade NASA's Hubble Space Telescope. Onboard are astronauts Scott Altman (commander), Gregory C. Johnson (pilot), Michael Good, Megan McArthur, John Grunsfeld, Mike Massimino, and Andrew Feustel (mission specialists). The main landing gear touched down at 8:39:05 a.m. PDT on May 24, 2009. Nose gear touchdown was at 8:39:15 a.m. Wheel-stop was at 8:40:15 a.m., bringing the mission's elapsed time to 12 days, 21 hours, 37 minutes, 9 seconds. Landing opportunities on May 22, May 23, and May 24 were waved off because of weather concerns at NASA's Kennedy Space Center in Florida, the shuttle's primary landing site.

Credits: NASA