How do we know how much dark matter there is in the Universe?

Summary Dark matter is matter that responds to, and causes, gravity but not electromagnetism, e.g. light, which is why it is dark. Even though it can't be seen cosmologists have measured how much there is is several very different ways and, remarkably, all the methods agree.

SUnknownHow do we know how much dark matter there is in the Universe?

Directed : Unknown

Written : Unknown

Stars : Becky Smethurst Alexandra Amon Sarah Kendrew Jake Taylor

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Details

Genres : Documentary News

Release date : Mar 8, 2024

Countries of origin : United Kingdom

Official sites : Official YouTube CHannel

Language : English

Summary Dark matter is matter that responds to, and causes, gravity but not electromagnetism, e.g. light, which is why it is dark. Even though it can't be seen cosmologists have measured how much there is is several very different ways and, remarkably, all the methods agree.

Details

Genres : Documentary News

Release date : Mar 8, 2024

Countries of origin : United Kingdom

Official sites : Official YouTube CHannel

Language : English

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