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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!

2.0k 77 replies
@slickdealer2099 2026-03-06

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

863 33 replies
@davidanderson4091 2026-03-08

In "Solo: A Star Wars Story" the writers took that criticism on board. They retroactively corrected the parsec mistake by defining it as a measure of distance, not time. In the film, Han Solo takes a dangerous, direct route through the Maelstrom, reducing the total distance of the Kessel Run to just under 12 parsecs. Good to see that science (at least is some form) was acknowledged.

829 80 replies
@uhohspaghettios101 2026-03-08

I've been watching Star Talk for literally LIGHTYEARS. https://youtu.be/jNI_qEBFO7E?feature=shared

473 23 replies
@StarTalk 2026-03-06

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

462 352 replies
@KingBear32 2026-03-07

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

369 6 replies
@DiegoMenta 2026-03-06

George Lucas: have you read the script? Harrison Ford: yes, I read it 50km every day!

259 7 replies
@AstrobiquL 2026-03-06

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

172 4 replies
@mgrizzlybair 2026-03-11

10:26 they went back and retconned things to make the '12 parsecs' line make sense by saying the Kessel Run goes through an area of space dense with black holes, so the ship being fast enough to fly closer to the black holes without falling in cuts the distance travelled.

156 25 replies
@kylebeggs3845 2026-03-09

I literally just got done teaching this in my astronomy class!

41 1 replies

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