The purpose of LISA (Laser Interferometer Space Antenna) is to detect gravitational waves



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The purpose of LISA (Laser Interferometer Space Antenna) is to detect gravitational waves
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The diagram shows the three satellites of the LISA mission. They lie at the corners of a triangle whose sides are five million kilometres long. If a ripple in space is caused, for example, by the gravitational waves of a massive black hole, the distance between the satellites will change. These minute changes in distance will be measured using lasers.

Credit: ESA.
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