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Sunita ventures out for another space walk

Houston: Indian-American astronaut Sunita Williams and Expedition 14 commander Michael Lopez-Alegria on Sunday donned their spacesuits once again for their second of three planned space walks in nine days, for the completion of an International Space Station (ISS) cooling system overhaul that began during a nearly eight-hour excursion on Wednesday.

They have a long Super Bowl today ahead as they prepare to venture outside the orbital laboratory for their second space walk in less than a week.

For Sunday's space marathon, the cooling system work is the primary activity of the two, who stepped out of the hatch at 8:38 am EST.

The walk is expected to last over six hours.

More than two hours into Sunday's space walk, the two, clad in bulky NASA spacesuits, spotted a tiny leak of toxic ammonia coolant in the form of pinpoint-like flakes.

— PTI

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