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Mystery Object in Deep Space Is Confounding Astronomers

An artist’s impression of the companion object as a black hole. The bright star in background is its pulsar companion.
An artist’s impression of the companion object as a black hole. The bright star in background is its pulsar companion. Illustration: Daniëlle Futselaar (artsource.nl)

Astrophysicists found a compact object 40,000 light-years from Earth that is either a very massive neutron star or an itsy-bitsy black hole, but they’re not sure which. – Isaac Schultz Read More

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