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Why There’s A Universe At All

2026-04-23 Science & Technology
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StarTalk
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Description

Why is there matter in the universe at all? Neil deGrasse Tyson breaks down what we know about matter-antimatter asymmetry, how it brought about the universe today, and breaking discoveries at CERN. Timestamps: 00:00 - Energy to Matter Conversion 02:05 - The Symmetry Broke 03:45 - The Particles Within Atoms 06:53 - CERN’s Particle asymmetry 10:03 - Antimatter Universe Check out our second channel, @StarTalkPlus Get the NEW StarTalk book, 'To Infinity and Beyond: A Journey of Cosmic Discovery' on Amazon: https://amzn.to/3PL0NFn Support us on Patreon: https://www.patreon.com/startalkradio FOLLOW or SUBSCRIBE to StarTalk: Twitter: http://twitter.com/startalkradio Facebook: https://www.facebook.com/StarTalk Instagram: https://www.instagram.com/startalk About StarTalk: Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up! #StarTalk #NeildeGrasseTyson

Top Comments (10)

@KettyFormaggio 2026-04-23

i understood 10% of this and i'm so interested! I can only imagine the happiness of people that can understand 100% of these infos!

2.0k 135 replies
@karlisandersons450 2026-04-23

3:45 I wasn't ready to meet Neilos Degrássios Tyssonides

644 26 replies
@xLEGOboy13x 2026-04-24

For anyone wondering, the study in question can be accessed for free from Nature and is titled “Observation of charge–parity symmetry breaking in baryon decays“ (StarTalk, please list sources in description. We are curious people)

425 5 replies
@StarTalk 2026-04-23

Why do YOU think something exists instead of nothing?

361 470 replies
@thehellyousay 2026-04-25

if the aliens are smart enough to tunnel from their "anti-matter" universe to ours, they're gonna know to toss something at you, too.

247 10 replies
@colinalmendro4463 2026-04-25

i still think our universe is a molecule inside a giant jellyfish

207 21 replies
@stevegoose6705 2026-04-23

Ending the video with "and that's what's up with that!" was hilarious after explaining very complex subatomic particle physics

198 4 replies
@im_the_lyricist 2026-04-25

Neil, when the universe got started, 14 billion years ago, we were all there, standing shoulder to shoulder, atom to atom.

80 5 replies
@LunaHusky805 2026-04-27

10:50 Neil casually mentions murdering an alien, for no other reason than scientific curiosity. Lol. Great message!

37 1 replies
@STK11-z9b 2026-04-25

I understood nothing. But immensely enjoyed and jumped with excitement.

31

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