Scientists figure out what's behind mysterious Space whistling

What could be creating the strange whistling sounds in Space?

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There is a mysterious whistling coming from Space. And scientists believe they understand where they are coming from. So what exactly is it? Find out in the video above.

See also: Is this evidence of an alien civilisation on Mars?

See also: Star's unusual dimming due to dust cloud not aliens

18 weird natural phenomena around the world

18 weird natural phenomena around the world