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Nasa says this is what a black hole 'sounds' like 美国国家航空航天局发布黑洞的 “声音”




Nasa says this is what a black hole 'sounds' like 美国国家航空航天局发布黑洞的 “声音”


Spooky or soothing? You decide.


This is what a huge black hole in space 'sounds' like.

这就是太空中一个巨大黑洞的 “声音”。

US space agency Nasa recorded it from the Perseus galaxy more than 200 million light-years away.

美国国家航空航天局录下了这个两亿多光年外的英仙座星系黑洞的 “声音”。

The sound has been edited so it can be heard by human ears.


Scientists say it's not the actual black hole we're hearing…


Dr Rebecca Smethurst, Author of A Brief History of Black Holes
"We hear what the sound is actually like from this black hole that's essentially given off this big burp of energy from the regions around it. So, not the black hole itself, because nothing can escape a black hole. But the regions around the black hole, in this big cluster of galaxies, the gas is dense enough, that you can get this pressure wave, or sound wave, travelling through that gas, and then recreate that pressure wave, which is also very, very, very, low in frequency. But then we pitch it up about 50 octaves so that, you know, humans can actually hear it."

丽贝卡·斯密瑟斯特  博士      《黑洞简史》作者



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