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European Satellite to Test Method to Find Ripples in Space, Time

An experimental satellite slated for launch on Wednesday will test a technique to detect ripples in space and across time, adding a new perspective for viewing and understanding the universe. From a vantage point 93 million miles (1.5 million kilometers) from Earth, the European-built spacecraft, known as LISA Pathfinder, is expected to break ground in the search for the ripples, known as gravitational waves, caused by fast-moving, massive celestial objects such as merging black...

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