Space mission postponed

Cape Canaveral, Fla. -- A spacewalk to install a module on the international space station was rescheduled Sunday because a German astronaut fell ill, NASA officials said.

NASA spokesman John Shannon said another member of the crew will stand in for German astronaut Hans Schlegel who is suffering from a "medical issue," CNN reported Sunday.

Astronauts commonly experience nausea and sickness following a launch and Shannon said the undisclosed illness would not "impact the objectives of this mission."

U.S. astronaut Stan Love will replace the 56-year-old Schlegel, who is on his second space trip. Officials rescheduled the space-walk for Monday.

NASA officials briefed reporters Saturday on their assessment of two areas on the space shuttle Atlantis possibly damaged during Thursday's launch.

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