Space Shuttle Cleared for Monday Launch to Hubble

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Space Shuttle Cleared for Monday Launch to Hubble
Lights covering the fixed service structure on Launch Pad 39A cast their glow over space shuttle Atlantis poised for May 2009 launch toward the Hubble Space Telescope on the STS-125 mission. (Image credit: NASA/Kim Shiflett.)

NASA clearedthe space shuttle Atlantis for its planned Monday launch to the Hubble SpaceTelescope, a long-delayed mission aimed at extending the iconic observatory?slifespan.

Missionmanagers here at NASA?s Kennedy Space Center held one last review Saturday thatfound Atlantis and its crew of seven astronauts fit to fly for the fifth and finalmission to overhaul Hubble. The mission is poised to rocket spacewardMonday at 2:01 p.m. EDT (1801 GMT).

Commandedby veteran shuttle commander Scott Altman, Atlantis? 11-day mission to Hubblehas been delayed since last fall, when a part failed unexpectedly aboard the19-year-old space telescope.

?Atlantishas been on the ground for awhile, so that team is reallyanxious to fly,? said NASA?s shuttle launch director Mike Leinbach. ?Andhopefully we?ll do that Monday.?

The shuttlehas an 80 percent chance of good weather on launch day, with thick clouds and athe potential for rain at an emergency landing strip in Spain posing the onlythreats to liftoff, NASA officials said.

Leinbachsaid a second space shuttle, the Endeavour orbiter, is also primed atop its ownlaunch pad to flya rescue mission just in case Atlantis is damaged beyond repair during theflight. Atlantis astronauts won?t be able to seek refuge aboard theInternational Space Station because of Hubble?s different orbit and altitude.Hubble flies about 350 miles (563 km) above Earth and in a different orbit thanthe 220-mile (354-km) high space station.

NASA hasprepared Endeavour to fly with a few days to a week of a declared emergency, butofficials have said it the likelihood of needing the rescue mission isextremely remote.

Meanwhile,Altman and his crew have a full mission ahead of them. The astronauts plan to performa five-spacewalk marathon that will install two new cameras aboard Hubbleand attempt repairs on instruments that were never designed to be fixed inspace. If all goes well, the mission should extend Hubble?s life through atleast 2014.

NASA has three tries tolaunch Atlantis before standing down for a previously scheduled militaryoperation at the nearby Cape Canaveral Air Force Base. If the shuttle does notlaunch by May 13, NASA would aim for a May 22 launch to wait out the military?sactivity and recharge new batteries bound for Hubble.

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Tariq Malik
Tariq Malik
Editor-in-Chief

Tariq is the Editor-in-Chief of Space.com and joined the team in 2001, first as an intern and staff writer, and later as an editor. He covers human spaceflight, exploration and space science, as well as skywatching and entertainment. He became Space.com's Managing Editor in 2009 and Editor-in-Chief in 2019. Before joining Space.com, Tariq was a staff reporter for The Los Angeles Times covering education and city beats in La Habra, Fullerton and Huntington Beach. In October 2022, Tariq received the Harry Kolcum Award for excellence in space reporting from the National Space Club Florida Committee. He is also an Eagle Scout (yes, he has the Space Exploration merit badge) and went to Space Camp four times as a kid and a fifth time as an adult. He has journalism degrees from the University of Southern California and New York University. You can find Tariq at Space.com and as the co-host to the This Week In Space podcast with space historian Rod Pyle on the TWiT network. To see his latest project, you can follow Tariq on Twitter @tariqjmalik.