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Gravitational wave background
July 21 , 2023
495 days
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- Scientists have officially made the first detections of the gravitational wave background.
- It is a sign that gravitational waves from slowly merging pairs of supermassive black holes can be detected from Earth in a background field of low-frequency energy.
- Gravitational waves are created by astronomically dense objects in our universe, usually in orbit around each other.
- They discovered first in 2015 by the Laser Interferometer Gravitational-Wave Observatory, or LIGO.
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