(adsbygoogle = window.adsbygoogle || []).push({}); [SOLVED] How Do We Know The Age Of The Universe For Sure?

Cosomologists estimate the universe 10-15 billion years but this is only by dating where the farthest reaches off light go. We only know 10% of our universe, the other 90% is dark matter. So how do we know that out univere isn't much older??

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# How Do We Know The Age Of The Universe For Sure?

**Physics Forums | Science Articles, Homework Help, Discussion**