Nightly News   |  May 10, 2013

Ammonia leaks from International Space Station

On Saturday NASA will try to fix the leak that released a stream of white frozen flakes into space. The crew on the International Space Station is not in danger and the space station is continuing to operate normally. NBC’s Brian Williams reports.

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This content comes from Closed Captioning that was broadcast along with this program.

>>> unbeknownst to most folks on earth the international space station makes a trip around the world every 90 minutes . carrying six adults around 17,000 miles an hour. they have had anxious moments on board over the last 4 hou24 hours. they use an ammonia cooling system. when the ammonia exits into the cold vacuum of space it looks like snowflakes. they have stabilized the problem but there is a spacewalk tentatively sclj tentatively scheduled for tomorrow so two of them can take a look.