Satellite Launch to Test Einstein's Idea on Space, Time Delayed

The launch of a European satellite that will test a technique to detect ripples in space that can be caused by merging black holes has been delayed because of a technical problem with its Vega rocket, the European Space Agency (ESA) said Tuesday. The European-built spacecraft, known as LISA Pathfinder, was due to be launched from French Guiana at 0415 GMT on Wednesday (5:15 a.m. Wednesday in Berlin, 11:15 p.m. Tuesday in Washington). Such delays due to technical issues or poor weather are...

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