Things You Thought You Knew – Rocks Float

StarTalk Radio

Nasa, Earth Science, Scientist, Quantum Physics, Education, Universe, Astrophysics, Astrophysicist, Nature, Cosmos, Science, Climate Science, Physics, Space, Startalk, Multiverse, Spacetime, Neil Degrasse Tyson, Astronomy, Astronomer, Star Talk

4.6 • 14.9K Ratings

🗓️ 23 June 2026

⏱️ 45 minutes

🔗️ Recording | Apple Podcasts | RSS

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Summary

What would happen in a world with too much oxygen? Neil deGrasse Tyson and Chuck Nice break down how rocks actually float, warm blankets, and why oxygen isn’t actually flammable.

Transcript

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0:00.0	Hey, StarTalkians, Neil here.
0:02.0	I've got another Things You Thought You Knew episode coming right up.
0:06.0	This time, Chuck and I explain how rocks are light, not heavy, warm blankets, and oxygen.
0:14.0	Check it out.
0:16.0	Welcome to StarTalk.
0:20.0	Your place in the universe where science and pop culture collide.
0:25.6	StarTalk begins right now.
0:32.2	I'm excited to know what we've got going today.
0:35.3	We're going to just talk about oxygen.
0:37.6	Oh, man.
0:39.9	What's the matter?
0:41.5	Yeah, normally you come to me with some like super exciting stuff like, you know,
0:46.8	today we're going to talk about the moon and albedo.
0:49.9	Do you know what albedo is?
0:51.2	No, man, what is that?
0:52.7	That sounds really cool.
0:53.9	I'm sorry oxygen doesn't excite you, but maybe by the end of these 10 minutes, it will.
0:58.4	That's all I'm saying.
0:59.5	All right.
1:00.4	Give it a chance, dude.
1:01.6	Well, listen, I give oxygen a chance every day.
1:04.8	Okay.
	...

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