CERN Accelerating science

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Where is Antimatter?

If some of the originally-created antiparticles are still around, they certainly can't be nearby (you know what happens when matter and antimatter meet!).

Some people think those antiparticles could be somewhere far, far away in the Universe. Perhaps the antiparticles even make up an antiworld very similar to our own world. So they are going to look for them!

Some people think the antiparticles do not exist anymore. Something may have happened, just after their creation, which destroyed them all, leaving only particles for the hard task of building up the Universe.

(What is antimatter? - page 6 of 6)
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