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Why Earth’s Rotation Speed is Changing

2025-07-17 Science & Technology
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StarTalk
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Go to https://ground.news/startalk to stay fully informed on the latest Space and Science news. Save 40% off through our link for unlimited access to the Vantage plan this month. Why is the Earth spinning faster? Neil deGrasse Tyson explains what’s up with Earth’s rotational velocity and how different factors can add or subtract leap seconds to our year. Is climate change affecting Earth’s spin? Timestamps: 00:00 - Introduction: What Up With Earth Spinning Faster? 00:12 - Standardizing Time & Adding Leap Seconds 2:47 - Earth Speeding Up 3:26 - What Effects Earth’s Rotation? Tides 4:50 - Earthquakes 6:09 - Melting Polar Ice 7:17 - Clickbait Titles & Our Spinning Planet 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)

@danr1920 2025-07-17

When I worked nights, I asked my supervisor if we got paid for the extra second, He shook his head and said get back to work. I got back and took an extra second at break,

1.2k 55 replies
@brentabrams9215 2025-07-17

Whenever I see a headline like that I just look to see what Neil has to say about it so that I can get the straight answer. Thank you Neil for what you do.

456 13 replies
@hussnainali_official3700 2025-07-19

Friday comes in like a snap! Days are feeling like hours & hours like minutes. There is just not enough time for anything these days

417 26 replies
@StarTalk 2025-07-17

If Earth keeps spinning faster, what do you think we’d notice first—shorter days, messed-up clocks, or just more weird vibes? (does anyone here want shorter days/weeks?)

411 145 replies
@Ieshawaysjones 2025-07-21

I love that there is no panic or fearmongering in this space. It's so appreciated.

202 7 replies
@PaulMedina-l5q 2025-07-21

The earth is definitely shifting. When my grandfather walked to school he would walk uphill both ways. When I was in school I only had to walk uphill one way.

187 15 replies
@rajendrakarmawat4814 2025-08-07

If you're reading this right now, I just want to say; I'm rooting for you. We’re strangers, but that doesn’t mean I don’t care. I know what it’s like to feel like you're pushing a boulder uphill. I felt that way until I picked up Manifest the Unseen by Luna Rivers I can’t explain it perfectly, but it changed my whole perspective. After checking it out on youtube and reading it things have been flowing—money, peace, confidence. Maybe this is your moment too. Stay open. Wishing you more than you ever imagined! 💫💰

173 1 replies
@Regiom-vp8ju 2025-07-26

It definitely only spins faster on the weekends!

155 8 replies
@stunimbus1543 2025-07-17

3:18 My cat seems to know if its breakfast is late by fractions of a second.

120 8 replies
@akelk1720 2025-07-24

I like when he says “There’s nothing in our life that requires us to keep track of time to the millisecond.” which helps bring people back to reality of not over complicating things and just let things just be simple the way it feels

22 1 replies

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