Why Planets Are Round 

Do you still believe in flat Earth?

@2:56 that explains my weight gain in the winter months, i am just puffing up to stay warm

If the Earth was flat, cats would have pushed everything off it by now.

“I can’t afford Cold Duck, I’m drinking Cold Pigeon”😂😂😂

When you’re so early that there are no angry flat earther’s unpopular comments around

3:25 Chuck made a perfect pigeon noise🐦‍⬛

New camera? Picture is sharp 👌

I am an ex flat earther. I would LOVE the chance to talk with you Neil and Chuck. I've learned a lot since leaving the belief system of flat earth and gaining my trust back into science. From Dunning Kruger to Cognitive dissonance, to personal bias and tribalism. We have a LOT to talk about Startalk. Your own flat earth debunk is one of the most viewed videos on the channel. An actual chat on here with somebody that once believed the earth was flat would probably "break the internet" My email is in the description on my channel. Please get in touch 🙏

Flat Earthers are all around the globe. 😂

God bless u Dr Tyson n chucks for the COMEDY, IT MAKES LEARNING EXTREMELY EASY N FUN! THANK U SIR! FROM NIGERIA!

i love that after corona years, they are finally both in the same room :)

The sun has badass gravity is a sentence I've never heard before lol

....! In underlying sentences Neil T have spoken about the earth's changes in a smart way for years in my head anyway. Thanks from Sweden!

The opposite of cold pigeon is "cat sunning itself" - stretched out as long as possible to maximize surface area-to-volume ratio.

Dr. Tyson explains everything and anything so well. Love him.

Today is my Friday… I think I’ll go get myself some ‘Cold Pigeon’ to celebrate the weekend 😂 🍾

Love these two talk! Always highly entertaining and highly educational!

These video sessions are great , great host and commentator.

God bless you, sir. You make understanding science simple. I wish teachers in my day had the intelligence and the integrity to explain things the way you do. I may have chosen a different path in life.

I love you guys! Perfect duo to educate. I wish I had both of ya in school teaching me. I would have loved going into this field!

I am so happy someone finally gave the difference between spherical and round. I've been trying to tell people this for a while now and they always give me that WTF look!

Good one. Great expaining👏👏

What a fantastic episode! Although in regards to van Allen belt built light operabilities….. we need to chat, there is objectively deeper understanding 🙏❤️❤️🙏

I love this stuff. I wondered at this during the solar eclipse I witnessed a few years ago - but the explanation is so much simpler than I imagined it would be!

Team Pluto!❤😂

I'm not fat, it's just the forces in the universe conspiring against me.😎

the pigeon sounds chuck casually made 🐦🤣🤣🤣 gold 🤩 never change chuck

Star Trek *UNDISCOVERED COUNTRY* 😎😎

“is it big enough (mass & gravity) to be a sphere?”…THAT IS PROFOUND I CAN APPLY THAT WISDOM TO MANY AREAS OF LIFE THANK YOU NEIL 💎🤯🙏🏽 with gratitude, LaynoProd

Also snowballs would have been a fun example to pack in there 😂

Chuck and Tyson I njoy watching u 2

I have been wondering why planets are round for a while now, so this was super exciting to see come out & then watch. Thank you for the always great educational content.

I love to laugh and learn 😄 Thank you guys for providing such good content for years!

The rebuttal to almost every Flerf "argument" is one word: Gravity. Why can't the world be flat? Gravity. Why doesn't the atmosphere fly away? Gravity. Why don't we get flung off into space by the spinning Earth? Gravity. Desertphile did the world a favour with his famous youtube clip!

You are one of three persons i want to meet before they die in my life. Big Respect professor Neil deGrasse Tyson.

Great new video quality 👌🏻

Educational Entertainment to the MAX ❕️I Love StarTalk ❤

Great videos from you two!! I love your educational and entertaining content!!

I love the way Star Trek gets most of the facts straight. 🖖🖖🖖

I am enjoying my chance to catch each podcast , very educational ✊🏽❤️💯

Always fantastic Dr Neil!! Thank you for the Knowledge

This Star Talk episode was very good in a roundabout way.

You guys get a new camera? Looks really good.

❤Learning something new everyday 😊 and more knowledge to know 😅

The SLO Mo Guys and cold pigeon... Great piece! ❤

If soap bubbles wanna be round, cold pidgeons wanna be round, planets, stars, everything in the universe wanna be round, what's so damn wrong about my belly wanting to be round as well?

Forces pulling in all directions to create spherical object. Nice and self-explanatory, a five year old can understand it. A comprehensive example would be a bubble in a bath. It is spherical because of the balance of forces acting on the thin film of liquid surrounding the gas inside.

Thanks Neil and Chuck. That was great, informative and funny!

Man, i enjoyed this episode! 👏👏👏

I have a question: one that is often taken for granted. If space has finite dimensions and everything in the universe is within this space, what is keeping all objects in space from falling to the bottom of space if any thing? Are celestial bodies free-falling or is there something keeping them suspended / buoyant? Is there a way to even test this given our perspective as observers in the universe? I hope you can answer.

Have fun. :) I freaking love Chuck.

Relativity question. If I were to go the speed of light, time stops for me relative to people who are going slower than me. But what would happen if I were to oscillate in basically the same position in space but oscillate at the speed of light? Would time stop for me in this situation also? I'm not really thinking about an object like myself but I was thinking about all the subatomic particles. From quarks to electrons, All of these things are energy that I imagine is never sitting in a state of stillness. And it is always moving then I would assume it would move at the speed of light regardless of whether it was traveling across great distances or in a stable position in space by oscillating or something like that. So I was just thinking that if this was true then the very things that form all matter are essentially not moving in time and we are all constructed of this material which would almost suggest that in some regards we aren't moving in time... Or it could be the case that the energies that make us aren't moving in time but collectively as more macro objects the macro object can move through time even though it's constituent parts don't move through time because they oscalate at the speed of light? Absolutely nobody is going to answer this. And I can't find anything on Google about this. I'm sure it's ridiculous but would love to satisfy the curiosity if somebody with expertise in this area could provide some insight

Love the educational content ❤

Chuck and NDT 4 president and vice President.

Fruits being in spherical shape.......meanwhile, the banana is just a rebel 😂😂😂

These guys are so well rounded.

Wow these videos are so interesting!

You know I really can not genuinely fathom the fact that there are people out there who truly believe it’s flat These replies are out of hand man yall need school 😭😭

Loved it, the background, the jokes, you Neil and Lil Chuck . God bless!

Your videos 📹 are truly inspirational ❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤❤

Fabulous education.

If you have watched the astronauts on the ISS playing with water you should have noticed that in the zero gravity that water floating in the air takes on a spherical shape which by the way is actually it's natural shape

Disclaimer and Trigger warning: This video contains copious amounts of truth and common sense. These values have been found to break what ever flat-earthers use to think with.

Nothing short of brilliant ✨

Glad to hear Pluto's Moon mentioned ☺️

All the Flat Earthers got triggered by the title and that thumbnail pic.... 🤣🤣🤣🤣

it's actually shocking how many flerfs (flat Earthers) there are

I'll never unsee Saturn as being partially flattened now, a spheroid. I knew it was but I never noticed it in images of Saturn. Very cool.

Love from the mother land South Africa❤ i really enjoy watching this channel real fun way to learn and laugh😂

Chuck Nice, you are a rockstar🔥 love you man!! Keep making Startalk your jam!!

I've literally survived hypothermia by getting as round as possible.

We will always love you, Pluto! ❤

I must say Neil & Chuck that that was a really round about way of explaining roundness! 👍👍🤔🤔

something cool about liquid in orbit, is that as you make them larger, the less the surface tension is able to hold it together in a sphere, and the larger you make it, the more powerful in relation to surface tension the tidal forces become, and so you should eventually be able to see the tidal force on a large enough blob. see is a bit of an exaggeration :P

it's easy to make a cubic soap bubble, you just need 9 others to pull it into shape, or a wire frame

This is really interesting

Mr Neil im a big fan 🎉please 🙏 reviews 3 body problem please Mr neil im from South Africa 🇿🇦

Why are galaxies disc shaped? Should they not be more round also?

I’ve seen a square bubble. Stephen Fry made one on QI.

Can you guys please do an episode on the potential need to revise our current understanding of the universe based on recent observations? It seems only a matter of time before we have to conclude the universe is much older than we now think. Thank you!

I've learned so much

Question , if you had a lazer in space , would ot shine all the way until it hit something ? Or would it fade out?

some flat minded folks just dont understand the gravity of the situation

Neil is great by himself but Chuck takes it to another level. I think it's time for a shot of cold pigeon!

Chuck looks like his been through something tough, i hope you are alright man, we love ya Great video as always

Question: Does that make the Earths Moon a dwarf Planet also.

maybe in 4D or 5D were actually flat haha

I have seen a cube shaped soap bubble. OK, it was surrounded by several bubbles, but still it looked cool. 😊

Greetings to the great professor Tyson and you Chuck, Equal pressure from all around a mass forms spheres too, if the material is in a formable state. Could the hardly measurable factor of gravity just be replaced by pressure and still result in the same outcome? Could space have weight? Would that make us stop trying to measure gravity and start try to measure pressure instead? Would that reinterpret the swelling of the oceans under the moon because the moon then would create a pressure shadow with its mass, that would then take the earth out of balance because of that swelling and make earth wobble a bit, creating grinding friction that then heats earths core? Could the way we see things now still change in the future?

1st comet….GET IT….??😅

Wow, what a fascinating insight into the shape of planets and celestial bodies! Neil deGrasse Tyson's explanation about why things in the universe are round, both due to surface tension and gravity, really sheds light on the wonders of physics and the forces at play in space. It's incredible to think about how the universe itself conspires to create these spherical shapes, from planets to stars to galaxies. Even the exceptions, like Saturn's flattening due to rapid rotation or galaxies formed from disks of gas and dust, highlight the complexities and nuances of celestial formations. Truly mind-blowing stuff! 🌌🔵 #SpaceScience #UniverseWonders #CosmicPhysics

I like the physics. I’m just a dude listening in and loving what you teach me. Thanks Neil (and Chuck).

Flat Earth Society would like to know your location.

LMAO my twin brother is a flat earther and says Neil deGrasse Tyson is a globe earth priest WTF...he literally thinks globe earth is a religion..

Love from India❤😊

I believe that a sphere is continuously differentiable. A cube, for example, is not as it has sharp edges and requires multiple equations that are bounded to describe. So a sphere should have equal surface tension at any point which makes it about as indestructible as any shape can be, at least in our Universe. We live in a three-dimensional world - four if you include time - but I can imagine if we lived in a world with more dimensions a sphere might not be preferred.

Funny and educational 😂 love it

Happy spring equinox

6:09 Ceres is like Pluto's ancestor 😂. It too used to be a planet, in the 1600s iirc (with Juno, Pallas, and Vesta), then got demoted to "big asteroid" when we started to find more celestial objects in the asteroid belt and now it got promoted to "dwarf planet".

You´re a real hero Neil! King... You´re Nice so it´s good.