Astronaut may get Christmas wish for spacewalk (Update)

Dec 13, 2013 by Marcia Dunn
In this image provided by NASA the International Space Station is shown with the backdrop of Earth. The image was photographed by an STS-132 crew member on space shuttle Atlantis after the station and shuttle began their post-undocking relative separation on May 23, 2010. The astronauts aboard the International Space Station dimmed the lights, turned off unnecessary equipment and put off science work Thursday Dec. 12, 2013 as NASA scrambled to figure out what's wrong with one of two identical cooling loops that shut down Wednesday. (AP Photo/NASA)

Space station astronaut Rick Mastracchio may get his Christmas wish for a spacewalk or two because of a broken cooling system.

Mastracchio, an experienced spacewalker, said he's more than ready to go out and make repairs, if deemed necessary by Mission Control.

"Any time you have something like this, it's good news, bad news," Mastracchio told The Associated Press on Friday.

"Of course, the bad news is the station's having problems and we have to go out and do a repair. The good news is we have the spare parts. We have the training. We have the skills and, of course, going out and doing a spacewalk is always very exciting—yet very challenging."

One of two cooling loops on the space station shut down Wednesday after it got too cold. Flight controllers suspect a bad valve inside an external pump.

It's a serious situation that needs to be remedied quickly, officials said, in case there are additional failures.

On Friday, engineers in Houston spent a third day working on the issue. They want to see if they can solve the problem remotely, before ordering up a series of spacewalks to replace the entire pump. Three spacewalks were required to install this pump in 2010.

The space station cooling system uses ammonia to dissipate heat generated by on-board equipment.

This file photo provided by ESA (European Space Agency) Tuesday Feb. 19, 2008 shows a view of the International Space Station from Atlantis, Monday Feb. 18 2008. The astronauts aboard the International Space Station dimmed the lights, turned off unnecessary equipment and put off science work Thursday Dec. 12, 2013 as NASA scrambled to figure out what's wrong with one of two identical cooling loops that shut down Wednesday. (AP Photo/ESA/NASA)

The six astronauts have turned off all nonessential equipment to reduce the heat load, including some science experiments. That's resulted in extra free time for Mastracchio and his U.S., Japanese and Russian crewmates. Otherwise, life has not changed much a couple hundred miles up, he noted.

"We still have lights. We still have the toilet working. We still have food, and we're still very comfortable up here," Mastracchio said. "So the biggest problem is that we're just not taking the time during our schedule to do as much science as we normally would."

An upcoming delivery mission may be delayed because of the cooling system trouble. The commercial Cygnus capsule, currently scheduled for a Wednesday launch from Wallops Island, Virginia, almost certainly holds holiday surprises for the astronauts, along with the usual stash of supplies.

At least Mastracchio doesn't have to cram in any last-minute Christmas shopping, using the space station's Internet phone or online capability. The 53-year-old engineer said he bought presents for his wife before he rocketed into orbit at the beginning of November for a six-month mission.

This Wednesday Sept. 5, 2012 image provided by NASA and made with a fisheye lens shows NASA astronaut Sunita Williams, bottom, during the mission's third session of extravehicular activity. On Wednesday, Dec. 11, 2013, one of two identical cooling loops shut down when the line got too cold because of a faulty valve. The system uses ammonia to dissipate heat from on-board equipment. Mission Control ordered the six-man crew to turn off some science experiments and other non-critical equipment; the powerdown continued Thursday, Dec. 12, 2013. (AP Photo/NASA)

"Being away from your friends and family during the holidays is not optimal," he told the AP. "But if you have to be away from your family on Christmas, then this is sure not a bad place to be."

And children, stay tuned.

"We're always on the lookout for Santa up here," Mastracchio said with a smile.

Explore further: NASA: Cooling pump on space station shuts down

5 /5 (1 vote)
add to favorites email to friend print save as pdf

Related Stories

NASA: Cooling pump on space station shuts down

Dec 12, 2013

NASA said Wednesday it was looking into a problem with a malfunctioning cooling pump on the International Space Station, but there was no immediate danger to the two American astronauts, three Russian cosmonauts, ...

Astronauts aim to fix ammonia leak at space station

May 10, 2013

Two astronauts are preparing to step out on a spacewalk to try and fix an ammonia leak at the International Space Station, in a hastily arranged venture outside the orbiting lab, NASA said Friday. ...

Recommended for you

Europe sat-nav launch glitch linked to frozen pipe

26 minutes ago

A frozen fuel pipe in the upper stage of a Soyuz launcher likely caused the failure last month to place two European navigation satellites in orbit, a source close to the inquiry said Wednesday.

Cyanide ice in Titan's atmosphere

2 hours ago

Gigantic polar clouds of hydrogen cyanide roughly four times the area of the UK are part of the impressive atmospheric diversity of Titan, the largest moon of Saturn, a new study led by Leiden Observatory, ...

Video: Alleged meteor caught on Russian dash cam (again)

5 hours ago

Thanks to the ubiquity of dashboard-mounted video cameras in Russia yet another bright object has been spotted lighting up the sky over Siberia, this time a "meteor-like object" seen on the evening of Saturday, Sept. 27.

User comments : 0