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Space station leaking ammonia coolant; astronauts will do spacewalk to try to fix it
• CAPE CANAVERAL, Fla. (AP) -- Two astronauts will venture outside the International Space Station on Saturday to tackle an ammonia leak in the power cooling system.
• The leak was discovered Thursday and the repair job was quickly planned for the weekend.
• Spacewalks usually aren't done on such short notice. But NASA wanted to try to fix the leak before all the ammonia escaped. The space agency also wanted to take advantage of a veteran spacewalker who is due to return home on Monday with two other astronauts.
• The two spacewalkers -- Americans Chris Cassidy and Tom Marshburn -- will swap out a pump box on one of the eight solar panels that supply electricity to the station.
• NASA says the station has plenty of power, and the six-man crew is not in danger.
• ___
MLB suspends, fines umpires after acknowledging 2nd mistake in 2 days
• NEW YORK (AP) -- Major League Baseball suspended umpire Fieldin Culbreth for two games on Friday because he was in charge of the crew that allowed Astros manager Bo Porter to improperly switch relievers in the middle of an inning.
• Culbreth and the rest of his crew -- Brian O'Nora, Bill Welke and Adrian Johnson -- were also fined an undisclosed amount after MLB admitted its umps goofed for the second straight day.
• "The rule covering pitching changes was not applied correctly by the umpiring crew," MLB said in a statement.
• Culbreth and his crew worked the Padres-Rays game in Tampa, Fla., on Friday night.
• He told a pool reporter after the game that he takes "all the responsibility" for what happened.
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