Uploaded September 2021 | Updated September 2026, 2 weeks ago

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When a black hole or superdense neutron star plunged into the core of its companion giant star it triggered a supernova explosion.

Reference: D. Z. Dong et al, A transient radio source consistent with a merger-triggered core collapse supernova, Science (2021). DOI: 10.1126/science.abg6037
Images: Bill Saxton, NRAO/AUI/NSF

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