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SCIENCE GRAVITY
RTRQ26 
January 09, 2002 
Dr. Fred Raab, observatory head at the LIGO Hanford Observatory in
Hanford, Washington, uses binoculars... 
Hanford, United States of America 
DR FRED RAAB OF THE LIGO HANFORD FACILITY INSPECTS LASERS IN THE
DESERT. 
Dr. Fred Raab, observatory head at the LIGO Hanford Observatory in
Hanford, Washington, uses binoculars to check up on the steel and
concrete tubes that protect the four-kilometer long laser apparatuses,
January 9, 2002. LIGO, which stands for Laser Interferometer
Gravitational-Wave Observatory, has the mission to observe
gravitational waves of cosmic origin including those created by black
holes, star collisions and remnants of gravitational radiation created
by the "big-bang" birth of the universe. The LIGO Hanford facility
houses laser interferometers consisting of mirrors suspended at each of
the corners of a gigantic L-shaped vaccum system measuring four
kilometers on each side. LIGO Hanford is part of a $370 National
Science Foundation project focused at researching these gravitational
waves. REUTERS/Anthony P. Bolante/FEATURE-SCIENCE-GRAVITY

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