Categories: HubbleSpace Shuttle

Shuttle Takes First Step To Hubble Repair Mission


NASA began the process of moving and juggling space shuttles around for the next mission, the important Hubble Telescope repair mission. Space shuttle Atlantis moved out to launch pad 39A today in preparation for the STS-125 mission, which will send seven astronauts to repair Hubble. Targeted liftoff date is May 12. Additionally, a replacement for the faulty instrument that delayed the mission last fall arrived at Kennedy Space Center, and will be loaded on the shuttle while it’s on the pad. This mission will require a second shuttle to be ready for liftoff in the event a problem arises with Atlantis in orbit, and Endeavour will head out to launch pad 39B on April 17. After Atlantis is cleared to land, Endeavour will move to Launch Pad 39A for its upcoming STS-127 mission to the International Space Station, slated to launch in mid-June. Moving a shuttle out to the launch pad takes about six hours, but this video does it in about 3 minutes – so enjoy the sped-up show; it’s a nice video showing the process.

Atlantis arrived at Launch Pad 39A at approximately 9:10 a.m. EDT Tuesday on top of a giant crawler-transporter, after leaving the Vehicle Assembly Building at 3:54 a.m. The crawler travels less than 1 mph during the 3.4-mile journey.
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Atlantis’ 11-day mission is the final shuttle flight to Hubble. During five spacewalks, astronauts will install two new instruments, repair two inactive ones and replace other Hubble components. Their work will hopefully extend Hubble’s life through at least 2014, and give Hubble six working, complementary science instruments with better capabilities.

Screenshot from NASA TV during Atlantis' trip to the launchpad.

And if you recall, the “rescue” shuttle is necessary because Atlantis will not be going to the International Space Station, nor could it get there if a problem arose because Hubble and the ISS are in different orbits. This has been the policy ever since the Columbia shuttle accident in 2003.

Source: NASA

Nancy Atkinson

Nancy has been with Universe Today since 2004, and has published over 6,000 articles on space exploration, astronomy, science and technology. She is the author of two books: "Eight Years to the Moon: the History of the Apollo Missions," (2019) which shares the stories of 60 engineers and scientists who worked behind the scenes to make landing on the Moon possible; and "Incredible Stories from Space: A Behind-the-Scenes Look at the Missions Changing Our View of the Cosmos" (2016) tells the stories of those who work on NASA's robotic missions to explore the Solar System and beyond. Follow Nancy on Twitter at https://twitter.com/Nancy_A and and Instagram at and https://www.instagram.com/nancyatkinson_ut/

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