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Image for: The Hunt for the Gravitational Wave Background


The Fermi Telescope collects gamma rays from millisecond pulsars. A sea of low-frequency gravitational waves produced by pairs of supermassive black holes causes each photon to arrive slightly earlier or slightly later than expected.
The Fermi Telescope collects gamma rays from millisecond pulsars. A sea of low-frequency gravitational waves produced by pairs of supermassive black holes causes each photon to arrive slightly earlier or slightly later than expected.

Daniëlle Futselaar/MPIfR (artsource.nl)

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