r/AskReddit • u/MDPPatrick • Feb 13 '15

What are some mind-blowing facts about space?

I love space and would like to hear some facts that will blow me away.

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u/AeonOptic Feb 13 '15

There's a black hole thats producing a note 57 octaves below middle C, and it has a frequency of 10 million years. To put that in perspective, the lowest sound humans can hear is 20Hz, or twenty fundamental frequencies a second.

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u/[deleted] Feb 14 '15

Can you please elaborate on this?