#star-clusters

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#stellar-evolution #black-holes #gravitational-waves #astrophysics #astronomy #hubble
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fromWIRED
13 hours ago

The Universe Is Full of 'Impossible' Black Holes. Scientists Now Know Why

Gravitational-wave observations indicate some heavy black holes in star clusters are second-generation merger remnants, not direct collapse products of massive stars.
fromArs Technica
10 months ago

Tuesday Telescope: Webb and Hubble team up to reveal spectacular star clusters

Open clusters of stars, which consist of dozens up to a few thousand stars, are useful for studying the Universe because they formed more or less at the same time.
Science
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