Don't hide behind the black hole!

Ok, no, that’s not the title of this video, but I think it’s pretty funny and totally related to the topic.

The universe is noisy. There, that’s more appropriate.

We think of space as a silent place. But physicist Janna Levin says the universe has a soundtrack — a sonic composition that records some of the most dramatic events in outer space. (Black holes, for instance, bang on spacetime like a drum.) An accessible and mind-expanding soundwalk through the universe.

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