PASADENA, California, April 23 -- The California Institute of Technology posted the following news:

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LIGO-India Breaks Ground on New Observatory

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For more than a decade, scientists have been able to detect gravitational waves-ripples in space-time that help us understand the universe's evolution and the most violent events in the cosmos-using the US National Science Foundation's Laser Interferometer Gravitational-wave Observator . . .

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