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|Welcome to LIGO Hanford Observatory, located in the Columbia Basin region of southeastern Washington. LIGO, the Laser Interferometer Gravitational-wave Observatory, seeks to detect gravitational waves -- ripples in the fabric of spacetime. First predicted by Einstein in his theory of general relativity, gravitational waves are produced by exotic events involving black holes, neutron stars and objects perhaps not yet discovered. Use our links to explore LIGO science, public outreach and educational resources.
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|BICEP2 scientists report a remarkable discovery! Read the full text of LIGO's congratulatory response to the BICEP2 finding on the LIGO Scientific Collaboration Web site. The astrophysics and cosmology research communities remain abuzz over the March 17, 2014 announcement of an apparent gravitational wave imprint on the cosmic microwave background, a circumstance that illustrates the potential of gravitational waves to reveal new information about the universe.|
|From Caltech: Read a description of the BICEP2 finding and an interview with BICEP2 co-leader|
and Caltech/JPL scientist Jamie Bock
|What do you want to know about LIGO? LIGO Hanford's list of Frequently Asked Questions (FAQ) now resides on our Web site. Surf our FAQ for responses to often-asked questions that cover various aspects of LIGO detector operations, data analysis, astronomy/astrophysics and working life at the Observatory. LIGO Hanford thanks students from Liberty High School and Sammamish High School for sending in the questions that started the LHO FAQ!|
|View recent Advanced LIGO progress at LIGO Hanford by sampling our updated video collection. LHO now has completed the first two tests of Advanced LIGO seismic and suspension subsystems and optical controls, exercising Advanced LIGO hardware between the main laser and one of the detector end stations. The next test, resonating the laser light in the central portion of the detector, is now underway. Commissioning of the full advanced H1 and L1 interferometers will begin in 2014 as the LIGO team moves toward a late 2014 return to detector operations. View the videos|
|Test your skill in searching for gravitational waves. Play|
Black Hole Hunter !
Last modified Mar 18, 2014
BICEP2 map courtesy of the BICEP2 Collaboration
"Colliding Black Holes" courtesy of Werner Benger, Zuse Institute Berlin, Max-Planck Institutue fuer Gravitational Physics (Albert Einstein Institute) and the Center for Computation & Technology at Louisiana State University.
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LIGO is supported by the National Science Foundation. Any opinions, findings, conclusions or recommendations expressed here are those of the author(s) and do not necessarily reflect the views of the National Science Foundation