* Astronomy

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RE: STS-125 mission

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Shuttle Prelaunch Events And Countdown Details
News conferences, events and operating hours for the news centre at NASA's Kennedy Space Centre are set for the upcoming launch of space shuttle Atlantis. The shuttle's STS-125 mission to upgrade the Hubble Space Telescope is scheduled to lift off at 2:01 p.m. EDT on Monday, May 11.

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NASA Gives 'Go' for Space Shuttle Launch on May 11
NASA managers completed a review Thursday of space shuttle Atlantis' readiness for flight and selected an official launch date for the STS-125 mission to upgrade the Hubble Space Telescope.

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Two NASA Space Shuttles on Two Launch Pads for Final Time

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Following rollout of space shuttle Endeavour from the Vehicle Assembly Building to Launch Pad 39B on Friday, April 17, two shuttles were on the launch pads at the same time at NASA's Kennedy Space Center, Florida. Shuttle Atlantis already had been moved to Launch Pad 39A. Endeavour will stand by at pad B in the unlikely event that a rescue mission is necessary during space shuttle Atlantis' upcoming mission to upgrade NASA's Hubble Space Telescope. Atlantis is targeted to launch May 12. With the space shuttle fleet set for retirement in 2010, this is expected to be the final time two shuttles will be on the launch pads at the same time. Video includes aerials of the shuttles on April 17, and sunrise shots and additional aerials on April 18

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Routine quarantine keeps astronauts healthy
While no one wants to get swine flu, it would be particularly disastrous for the astronauts preparing to ride the space shuttle Discovery on May 11 for their mission to upgrade the Hubble Space Telescope.

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It's a deep space mission, more ambitious in scope than anything essayed for almost 40 years. The measure of the risk is that when the Nasa space shuttle takes off next month for its last hurrah a second capsule will sit on the launchpad in case an unprecedented rescue mission is needed.
When seven astronauts board the Atlantis shuttle on 11 May for an 11-day mission to repair the ailing Hubble telescope, they will be aware of the formidable task ahead.

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NASA may move up its final trip to the Hubble Space Telescope by one day.
Space shuttle Atlantis could blast off with its telescope repair crew as early as May 11th, if the Hubble team can complete all its flight preparations in time.

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NASA is aiming to launch the final space shuttle mission to upgrade the Hubble Space Telescope a day earlier than planned to avoid a potential schedule conflict at the Florida launch site, officials said on Thursday.

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NASA program managers agreed Tuesday that shuttle Atlantis is on track to launch to the Hubble Space Telescope on May 12.

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Space junk risk: 1 in 221
Even factoring in a recent satellite collision, a threat analysis found that the crew of space shuttle Atlantis will not face a dramatically higher risk of catastrophic damage due to space debris when it travels to the Hubble Space Telescope in May, according to NASA.
The overall risk of impact damage is higher for a mission to Hubble, which is 350 miles from Earth, than it is for a flight to the International Space Station, which orbits at a lower, less debris-choked altitude. However, the actual numbers are better than flight planners initially expected, a NASA official said Thursday.

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NASA has set a May date for its space shuttle mission to fix the Hubble Space Telescope for a final time.
The space agency Thursday announced that it is aiming to launch the shuttle Atlantis on May 12 for what would be an 11-day repair and upgrade mission to the $10 billion space telescope.

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