Supernova SN 2023zkd, detected in 2023 by the Zwicky Transient Facility, exhibited unprecedented behavior by nearing a small black hole. Instead of being torn apart, it appeared to absorb elements from the black hole. Observations indicated that it had been gradually brightening for four years, a significant deviation from typical supernova behavior. Further studies revealed a 'dramatic re-brightening' linked to a thick disk-like cloud near the explosion's site, suggesting an unusual interaction between the supernova and the black hole.
In the case of SN 2023zkd, things seemed to go haywire long before its gluttonous dance with its black hole partner. The scientists' algorithm initially detected the expected bright burst of light from the supernova - but looking back on archival data, they found that it had actually been brightening slowly for roughly four years, which is much longer than typically seen in supernovae.
This supernova, however, was different. It appeared, as explained in a statement by researchers, to be dangerously close to a small black hole - but instead of being ripped asunder, it seems that the supernova began trying to feast upon that which should have destroyed it.
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