The term I would use instead is that the data provided observational support of a hypothesis. It didn't "prove" anything- proofs only exist in math. (yes, I know people use "prove" is colloquial way, but it's misleading, especially in observational work where you can't control variables to find causality.
replyCan you explain the past tense "there was" ? Is there a reason for a black hole to dissapear?
replyBlack holes probably disappear due to Hawking radiation, but I don’t think we have observational evidence and the process takes forever for the black holes you can observe.
replyThe black hole still exists (probably), the hypothesis that it existed was proven in the past.
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