An experimental satellite slated for launch 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 (150 million km) 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 holes.
Black holes are so dense with matter that not even photons of light can escape the powerful gravitational effects.
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