76
      Saturday
      86 / 69
      Sunday
      87 / 69
      Monday
      87 / 69

      Christmas Eve spacewalk on tap for astronauts


      The Christmas Eve spacewalk planned by NASA at the International Space Station should wrap up repair work on a faulty cooling line.


      Mission Control said Monday that unless something goes awry, two astronauts ought to finish installing a new ammonia pump Tuesday, during a second spacewalk. NASA originally thought three spacewalks might be needed.


      Astronauts Rick Mastracchio (Muh-STRACK-ee-oh) and Michael Hopkins removed the faulty pump during Saturday's spacewalk. Everything went so well, they jumped ahead.


      The next spacewalk should have been Monday, but was bumped a day so Mastracchio could swap suits. He inadvertently hit the water switch in the air lock following Saturday's spacewalk, and engineers suspect water intruded into his suit.


      NASA has conducted a Christmas Eve spacewalk only once before.

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