Coverage dated September 7, 2026 to September 8, 2026

Quiet black holes with a stellar companion raise questions about how they form

Headline from Phys

Active black holes are easy to detect. Their superheated accretion disks emit bright X-rays, and the jets streaming from their poles are easily seen at visible and radio wavelengths. But most stellar-mass black holes are inactive.

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2 articles, oldest first.

  1. Phys

    Quiet black holes with a stellar companion raise questions about how they form (opens Phys)

    Published

    Phys's feed description

    Active black holes are easy to detect. Their superheated accretion disks emit bright X-rays, and the jets streaming from their poles are easily seen at visible and radio wavelengths. But most stellar-mass black holes are inactive.

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.

Quiet black holes with a stellar companion raise questions about how they form | Since Then