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European Pulsar Timing Array

The European Pulsar Timing Array (EPTA) is a collaboration that uses highly precise observations of rapid, stable cosmic objects called pulsars to detect low-frequency gravitational waves—ripples in spacetime caused by massive cosmic events. By measuring tiny variations in the arrival times of signals from multiple pulsars across Europe, EPTA aims to identify these gravitational waves, offering insights into phenomena like merging supermassive black holes. This approach helps expand our understanding of the universe's most energetic and distant events, complementing other gravitational wave detectors operating at different frequencies.