How do scientists know our universe is older than 6500 years?

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23-06-2018
Physics

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How do scientists know our universe is older than 6500 years?

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Diatonic254 Diatonic254 · Answer 1 · 2018-07-04T08:04:32+02:00

Diatonic254 Diatonic254

04-07-2018

This is because astronomers have discovered that the Crab Nebula is 6500 light years from earth. This means it takes 6500 earth years for light to get from the Crab Nebula to earth. Therefore, if we are able to observe the Crab Nebula and beyond it then it means that earth has been in existence for 6500 years and over.

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