PSR J0737−3039

Rarity: Common

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Science and technology

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What Wikipedia says

PSR J0737−3039 is the first-known double pulsar. It consists of two neutron stars emitting electromagnetic waves in the radio wavelength in a relativistic binary system.

Excerpt from the Wikipedia article “PSR J0737−3039”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Auteur inconnu, Attribution, via Wikimedia Commons.