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Why Neil Hates Parsecs

2026-03-06 Science & Technology
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StarTalk
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Description

What’s a parsec? Neil deGrasse Tyson and Chuck Nice break down space’s weirdest unit of measure. Learn how people came up with parsec and how Star Wars, once again, doesn’t understand science. Timestamps: 00:00 - Embarrassing Unit of Measure 1:13 - Origins of Parsec 3:12 - Parallax Experiment 7:59 - Parsec vs. Light Year 10:21 - Star Wars Messed Up 12:42 - Closing 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)

@SamV94 2026-03-06

Clicked on this video in less than 1 parsec!

1.3k 61 replies
@MrGonzonator 2026-03-06

Why would a unit of distance based on the size of the Earths orbit and a Babylonian system of angle measurement be used a long time ago in a Galaxy, far, far away?

573 130 replies
@slickdealer2099 2026-03-06

If Neil was Obi Wan: “Parsec is not the unit you are looking for!” :Waves hand

526 22 replies
@StarTalk 2026-03-06

Before watching this, did you think a parsec was a unit of time or distance?

306 281 replies
@KingBear32 2026-03-07

New favorite line ... I gotta go, cause its Strawberry!!! - Thanks Chuck!!!! 😂😂😂😂😂😂 👑🐻👍🏾

222 3 replies
@uhohspaghettios101 2026-03-08

I've been watching Star Talk for literally LIGHTYEARS.

204 19 replies
@AstrobiquL 2026-03-06

When he tried to put his thumb closer to Neil lmao 😂

110 3 replies
@LesNessman2001 2026-03-08

12:38 Star Wars retconned this by saying Cessel was something something shortcut something… and DISTANCE!

78 27 replies
@DavidRussell-TheDavidRussell 2026-03-08

When they were talking about the wrong unit of measure, "What time is it? Pineapple," and other examples. It reminded me of the 1985 Twilight Zone episode "Wordplay."

29 1 replies
@michaellangwaller 2026-03-10

I want to adapt that time unit. At least Star Wars later retconned why Han used parsec.

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