Wednesday, 23 June 2021

4 fact about the black hole 2021

https://docs.google.com/drawings/d/e/2PACX-1vSO7r6fG2BQLqGE-2REZKjTX83xflZa-0SshSlejsvRt5COHtIH6VW0zrsHV_p7ywdOTjwFAPX-f0qq/pub?w=960&6=620

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