Space-based detector

Space-based detector can spot at least two gravita­tional waves rip­ples in space time each year caused by collisions between supermassive black holes, revealing the initial mass of the seeds from which the first black holes grew 13b years ago. A space-based instrument called the Evolved Laser Interfer­ometer Space Antenna (eLISA) detector is set to be launched in 2034. As eLISA will be in space – and will be at least 250,000 times larger than detectors on Earth – it should be able to detect the much low­er frequency waves caused by collisions between black holes.

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