The crew of the International Space Station is on alert this weekend thanks to a piece of space debris from an old Chinese satellite, which has the potential to hit the station.

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It's serious enough, he said, that the FBI issued an alert about it to the U.S. Space Command, giving U.S. forces warning that the action on the cyber front could affect them, too.

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Greenacre found himself in acres of space wide on the left and his cross sat up kindly for the alert Iwelumo to turn home.

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It's an attempt to bring some sunlit consistency to space exploration, simulating Earth-like lighting patterns to help keep the crew alert and get them ready for sleep in the evenings.

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