The unique gravitational wave signal travelled 650 million light-years to get to the LIGO Livingston Observatory in Louisiana. Researchers determined the signal came from the merger of two objects.
LIGO has two widely-separated 4-km-long interferometers—in Hanford, Washington, and Livingston, Louisiana—that work together ...
The system will be an exact copy of the twin LIGO Observatories, which are located at Hanford, Wash. and Livingston, La. These facilities are operated by the California Institute of Technology and the ...
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