Astronauts unveil phenomenal new window on world

Feb 17, 2010 By MARCIA DUNN , AP Aerospace Writer
Backdropped by Earth's horizon and the blackness of space, a portion of the International Space Station is featured in this image provided by NASA and photographed by a crew member on the International Space Station while space shuttle Endeavour remains docked with the station Monday Feb. 15, 2010. (AP Photo/NASA)

(AP) -- In a highly anticipated grand finale to their mission, astronauts opened the shutters on the International Space Station's new observation deck Wednesday and were humbled by "absolutely spectacular" views of Earth from inside the elaborate atrium of windows.

The $27 million lookout opened each of its seven eyes one window at a time as the crews of the station and shuttle Endeavour carried out their third and final .

It was the moment everyone had been waiting for: The round central window - the largest ever flown in space - was the first exposed as inside cranked open the shutter as they sailed 220 miles above the South Pacific.

"As expected, the view through window seven is absolutely spectacular," space station commander Jeffrey Williams said. "When we have the others around it open, it will give us a view of the entire globe. Absolutely incredible."

Mission Control set the night's mood by beaming up a recording of Jimmy Buffett's "Window on the World."

"I don't think space station's ever going to be the same after this," Mission Control said in a congratulatory call.

The astronauts closed the round shutter covering the window, which measures 31 inches across, after three minutes to test the mechanisms. They repeated the process until all the windows were checked, opening the last two as the linked shuttle and space station flew above France and Greece.

It was a satisfying conclusion to this construction mission for the 11 astronauts. Though Nicholas Patrick and Robert Behnken completed a multitude of other chores during Tuesday night's spacewalk, including opening valves on an ammonia coolant line they previously installed on Tranquility, a new room that the astronauts connected to the space station last Friday.

"Great job raising the curtains on the bay window to the world," astronaut Kay Hire called out to the .

"I look forward to the view from inside," Patrick said.

Japanese astronaut Soichi Noguchi took this view from inside the cupola. The cupola's window shutters are open and the Sahara desert is visible below.

Mission Control wanted the shutters opened while the spacewalkers were still floating outside so the two men could intercede if something jammed. Behnken and Patrick stayed a safe 10 feet or more from the windows while the shutters were raised. The last thing NASA wanted was to have one of them inadvertently kick a window or bang it with a tool bag.

The is part of Tranquility, a more than $380 million addition. delivered the European compartments last week.

The Italian-built dome - 5 feet tall and nearly 10 feet in diameter - is designed to offer sweeping 360-degree views of the home planet and outer space, as well as the space station itself. It's not just for the crew's viewing pleasure; a robotic work station will be installed early Thursday, providing direct views for astronauts when they operate the station's big mechanical arm.

Six trapezoid-shaped windows encircle the dome. In the middle is the circular window.

During normal operations, the space station crew will be able to keep the round window unshuttered most of the time, along with a couple others. But the windows facing along the direction the outpost is orbiting will need to be closed, except during robotic operations, to protect the fused silica glass against micrometeorite strikes. Each window has four panes.

The shutters swung open when the spacewalkers were back inside. The nearly six-hour excursion ended a little early because of the risk of elevated carbon dioxide levels in Behnken's suit; he was fine, but flight controllers did not want to take any chances.

Endeavour and its crew of six will depart the space station Friday and return to Earth on Sunday.

The next shuttle visit has been delayed. Discovery had been scheduled to blast off in mid-March with spare parts and science experiments, but a string of unusually cold weather stalled preparations. The launch is now targeted for April 5.

Only four more shuttle flights remain.

Explore further: Bright points in Sun's atmosphere mark patterns deep in its interior

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User comments : 4

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jabo
4.3 / 5 (6) Feb 17, 2010
Obviously stolen from the view from a TIE fighter.
jj2009
3 / 5 (2) Feb 17, 2010
with all the bits of garbage flying around in space now, i sure hope those windows are tough!
Arkaleus
3.3 / 5 (4) Feb 17, 2010
Why would they choose to put glass windows in a space station? It is in a hostile environment that's filled with high speed projectiles.

They should have built an large array of tiny CCD cameras into the walls of the viewing pod and wired the video into a screen of thin LCD panels. Tsis would have been a lot safer and would not expose the crew and craft to the dangers of having Jules Verne window panes in orbit.
stonehat
3 / 5 (3) Feb 17, 2010
"Astronauts unveil phenomenal new window on world" so here's a photo taken from somewhere else on the Space Station.

Genius Journalism !

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