Cosmic ray hunter installed on Int'l Space Station

May 20, 2011 03:00

CAPE CANAVERAL, Fla. - Shuttle Endeavour astronauts on Thursday attached a $2 billion device to the International Space Station that will conduct an ambitious survey aimed at uncovering matter telescopes cannot see.

The visiting astronauts used robotic cranes to pluck the 7.5-ton (6,800 kg) Alpha Magnetic Spectrometer particle detector (AMS) from their ship's cargo hold and install it onto the station's exterior metal truss, where it will operate throughout the life of the station.

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