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STS-125: The mission

A detailed step-by-step preview of space shuttle Atlantis' STS-125 mission to extend the life and vision of the Hubble Space Telescope.

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STS-125: The EVAs

The lead spacewalk officer provides indepth explanations of the five EVAs to service Hubble during Atlantis' flight.

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STS-125: The crew

The seven shuttle Atlantis astronauts hold a press conference one month before their planned launch to Hubble.

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STS-125: NASA leaders

The leaders of NASA's Space Operations and Science directorates give their insights into the upcoming shuttle mission to the Hubble Space Telescope.

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STS-125: Shuttle boss

The head of NASA's space shuttle program discusses the risks and plans for Atlantis' trek to Hubble.

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The Hubble program

An overview of the Hubble Space Telescope program and the planning that has gone into the final servicing mission.

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Hubble's future science

The new instruments to be installed into Hubble and the future science objectives for the observatory are previewed.

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Meet the Hubble crew

Meet the crew launching on Atlantis' STS-125 mission to service the Hubble Space Telescope and learn how each became an astronaut in this special biography movie.

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Spacewalk extended to get Hubble battery pack installed
BY WILLIAM HARWOOD
STORY WRITTEN FOR CBS NEWS "SPACE PLACE" & USED WITH PERMISSION
Posted: May 15, 2009

Running two hours behind schedule after problems installing three gyro packs, astronauts Michael Massimino and Michael "Bueno" Good agreed to extend their spacewalk to get a critical battery pack installed aboard the Hubble Space Telescope.


A helmet-mounted camera on Mike Good shows Mike Massimino inside the telescope during replacement of the gyroscopes. Credit: NASA TV
 
"We're down probably two hours, at 5:45 (elapsed time) right now," astronaut Dan Burbank radioed from Houston. "The limiting consumable, really, is currently Mass's O2 (oxygen), sitting at about 8:10 total. We can fix that very easily just by connecting to the SCU (airlock air supply), just about five minutes, he should be good. The next limiting consumable after that is Bueno's battery at about nine hours. So we think we've got plenty of time and I think you gave us some input already about your interest in the battery task."

"OK, thanks for that," John Grunsfeld replied from Atlantis. "Mass and Bueno, I assume you're up for batteries?"

"Sure," Massimino replied.

Flight controllers said the crew could sleep an extra hour in the morning and commander Scott Altman made one final check with the spacewalkers to make sure they had no concerns about an extended excursion.

"Bueno, how you doing?" Altman asked.

"What's the PET (elapsed time)?" Good asked.

"We're at about six (hours)," Grunsfeld replied.

"And what's normal batteries, and coming in?"

"We've got two hours more of work left," Grunsfeld said.

"We show that Bueno has three more hours on battery," Burbank said.

"Yeah, copy that, I don't have that much on internal battery, though," Good said. "I'm right on the edge now, I'm willing to give it a try."

"OK. Mass, how you doing?" Altman asked.

"I'm OK."

"All right, Bueno, we'll try to keep it moving."

A few minutes later, Altman gave the spacewalkers a bit of a pep talk, saying "Hubble again threw us some curves today."

"You guys did a great job responding to that," Altman said. "Bueno, you're twice as strong as the (robot) arm because you pushed me back down a couple of times, so I know that took a lot of effort there. Hopefully we can give you a break for these last couple of tasks without too much physical requirements. But no promises, we'll see what happens. Great job, keep it up, we'll see you inside in a little bit.

Added Grunsfeld: "That was really outstanding work. As usual, Hubble threw us quite a few problems and we've got our fingers crossed batteries will go a little bit more smoothly."

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