What do black holes do? What do black holes really look like? The existence of black holes was predicted over a century ago with nothing but math equations. Now we’ve taken the first photo of one. But black holes still hold plenty of secrets. Like their even more mysterious mirror twins: white holes! 

Imagine if we could record a black hole on video. Watch it pull in and consume any matter that gets too close, even light itself! Now take this recording and play it backward – this is what a white hole should be: the black hole’s “pushing away and matter-spewing” counterpart.

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