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(YouTube)   Why there is so little antimatter in the universe is not a problem. Here comes the science   ( divider line
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388 clicks; posted to STEM » on 05 Dec 2021 at 1:24 PM (23 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook

Where is the anti-matter?

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Why is there more matter in the universe than anti-matter? If they were produced in equal amounts in the universe, they should have annihilated and just left radiation behind. Does this mean Dirac's theory of anti-matter is wrong? An if anti-particles are mirror particles of our normal matter could there be "anti-stars" in our galaxy, stars made of anti-matter? That's what we talk about today.

The anti-matter panel discussion I mention in the beginning is here

The anti-star paper is here:

0:00 Intro
0:30 Sponsor Message
1:38 Is anti-matter a problem?
3:25 What did Dirac say?
6:11 The matter anti-matter asymmetry
10:05 Anti-stars?!

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