A History of Our Knowledge of the Solar System

[@merrittanimation7721]

So this would be interplanetary geography?

[@WonderWhy]

Astronomy is basically just large-scale geography.

[@merci-wheelium]

enough said.

[@JOCoStudio1]

Geography: The subject of everything

[@merrittanimation7721]

@@JOCoStudio1 All science is just applied geography.

[@thathistoryiscoolguy]

@@WonderWhy wow

[@WonderWhy]

Astronomy as a topic is something I would love to make semi-regularly - it really is fascinating to me. I'd be happy to take any suggestions for future videos! Feel free to leave a comment for a future topic and maybe I'll get to it some day. In this video, I look at the history of our understanding of the Solar System; from the ancient Greeks, all the way to modern astronomy and NASA. This is NOT intended to be an exhasutive list. It's less of a chronological list, and more of short story with several parts. I'm excited to finally get a chance to tell you about Nebula (for those who aren't aware). It's a streaming service started for independent creators, and I was directly involved in its creation. The best way to get access to it is by signing up to CuriosityStream, and taking advantage of the bundle deal which gets you both for just $2.99 per month: curiositystream.com/wonderwhy Thanks for watching! Until next time.

[@denelson83]

Then make this the first episode in your "Astronomy" playlist.

[@1UpsForLife]

Thanks for all the great videos! It's always cool to see the new topics you dive into and they've all been interesting!

[@subraxas]

Hello there! I know that this suggestion of mine is not astronomy-related, but would you please do 'Countries at the Olympic Games' as the next 'Winners&Losers' video? It could possibly be two separate vids, one for the Summer Olympics and the other for the Winter counterpart.

[@qwertyTRiG]

An idea for both astronomy and history would be to expand on this video's mention of the dispute between Gallileo and the Pope, which was actually more subtle and complex than most people imagine. (Brady's recent videos with the Pope's astronomer touch on this, briefly.)

[@NorbertSD]

WonderWhy What you said at 1:41 gave me an idea: How about a video called “Understanding Flat-Earthers”? A video where you go over what Flat-Earthers believe & their supposed “evidence” for the Earth being flat.

[@crimson90]

Imagine the jokes when searching for Neptune: "Uranus has an irregular orbit!"

[@great-wall-of-nowhere9377]

How do you fuck up twerking?!

[@EdwinCristobal]

"Is it possible that we can get to uranus?"

[@GordonSlamsay]

Uranus is a gas giant!

[@trunestor]

ouranus

[@SWLinPHX]

For all of you with a kindergarten level sense of humor, the planet is actually pronounced ”yoo-RAY-nus” (the U is it’s own syllable).

[@Inkyminkyzizwoz]

It might have been worth pointing out that Ceres is considered a dwarf planet according to the definition, given that a lot of people see Pluto's reclassification as it being downgraded, so Ceres can be said to have been upgraded!

[@sadiqahmed4143]

Pluto doesn't deserve planet status

[@Inkyminkyzizwoz]

@@sadiqahmed4143 What happened to Pluto is essentially what happened to Ceres many years earlier, so people really need to get off their high horses about it! There had been doubts over Pluto's planetary status almost as soon as it was discovered - it just took 76 years to make it official

[@mariasirona1622]

@@sadiqahmed4143 because of the three IAU rules? By those rules Jupiter is not a planet either. The third rule states that a planet needs to have cleared its orbit from natural debris. Jupiter has the trojan asteroids. Therefore, by IAU logic Jupiter is a dwarf planet!

[@sunriseparrabellum5505]

@@mariasirona1622 jupiter is a unique case though as it’s the second largest celestial body in the solar system. the trojan asteroids are basically natural satellites caused by gravity. because the gravitational forces of the sun and jupiter combine to essentially create 2 fixed asteroid clusters on either side of its orbiting axis

[@raychapman1134]

​@mariasirona1622 the way it is decided is that the planet has cleared it's orbit of major debris. Not everything totally. Otherwise nothing would be a planet since there are asteroids and comets all over the solar system. Pluto orbits in an area with multiple other large bodies and some bodies around it's own size. Therefore it hasn't cleared its orbit.

[@purplesam2609]

Ancient people: the earth is literally a SPHERE Flatearthers: the government altered those documents!!1!

[@KaiserMattTygore927]

The Ancient Greek Black Ops teams are preventing us from LEARNING THE TRUTH!!

[@TheClickbaiterA]

You know, i never understand them..If the earth is actually flat then why the hell timezones exists?

[@carolinering310]

@@TheClickbaiterA EXACTLY! And the weather wouldn't act the way it does

[@Esmaesme56]

Also the way gravity works would cause at some point bodies to be full spheres

[@wetplant1748]

@@carolinering310YEAH SURE TELL ME THAT BULLCRAP. EARTH IS FLAT, DO BELIEVE THE GOVERNMENT (satire)

[@ObjectsInMotion]

8:00 Interesting note on Galileo!: It was actually papal astronomers that brought up evidence against Galileo during his trial. They had been observing stars for years looking for stellar parallax, which would prove that the earth moved, but failed to find any. It was based on this evidence that they concluded that Galileo was likely not correct in his heliocentric theory, not on any biblical understanding. Even galileo's telescope wasn't powerful enough to detect the very slight change in stellar positions. It wasn't for hundreds of years that the first instance of stellar parallax was discovered, finally proving the theory correct.

[@Danquebec01]

And the idea that the stellar paralax could be the undetectable was dismissed on the basis that the distances would be absurdly great. Turns out, the distances are really that great.

[@nutyyyy]

Yes it was very interesting. There was a Roman scholar who calculated the size of the universe to be the equivalent of several light years in volume. Which obviously at that time would seem unimaginably huge but still tiny compared to the reality. So its understandable that Gallileo's theories were doubted at the time.

[@geraldyn_low]

Akakxmx s smx s sms: s ska a asmsm s ssmsms smsm s smss s smks s sns

[@potatoraider7320]

Even people from back then are smarter than flat earthers who has access to endless amount of internet information today....

[@berozgaar1100]

no offence but i think we should simply ignore them, just dont mention them anywhere

[@Chadillac-xq7xk]

I'm not a flat earther, and I think they're as dumb as they come, but I'd like to point out that the endless amounts of information on the internet is mostly the reason they exist. Used to, people tried to find facts and a way to prove that the fact was in fact, factual. Now days, anyone can post anything on the internet. There's tons of "proof" of the earth being flat on the internet. The problem people have now days is they allow the internet to think for them instead of using their brains and finding real, measurable facts. And the fact that it's harder to understand the scientific and mathematic facts that prove earth is round than it is to understand "earth is flat because blah blah. So people are taking the easy route leading to a wrong answer instead of taking the hard route to understand why they're wrong.

[@brockb4452]

Well, from their perspective (as dumb as it may be), they are similar to that of the smarter discoverers back then in that they both do not concur with the masses.

[@Keralasha444]

@@brockb4452 No they aren’t

[@Keralasha444]

@@brockb4452 They’re using their same previously debunked theories !

[@hoodclassicsofcalifornia]

Perfect timing for this video. Right now I'm learning about the Solar System. Thanks WonderWhy

[@EmilioTaylorsVersion]

LOL SAME

[@danev07]

Me three

[@pluto6383]

If you don’t have one already and can afford one, I highly recommend buying yourself a telescope if you’re learning about the solar system. Very helpful for learning about objects and there’s all kinds of fun activities you can do with them. Like with all products, you need to choose your purchases wisely though.

[@nicoheintel3212]

*"Look again at that dot. That's here. That's home. That's us."* ~Carl Sagan Thanks for uploading a new video, keep it up! :)

[@googlebarbaralernerspectre2581]

You like that idiot?

[@sion8]

@@googlebarbaralernerspectre2581 🤨

[@nusratparveen82]

@@googlebarbaralernerspectre2581 get fucked

[@thecomprehensionhub4612]

My favorite scientific stoner

[@martynamaciejewska6289]

One of my favorite quotes!

[@NotJaydenix]

4:07 "earth rotated around earth" lol

[@gregbay2613]

JKAR03 Ya. I caught that too. 🤔

[@ForProfit-x100]

It's not technically incorrect. An object rotates about itself. An object revolves about another object. Rotate ≠ revolve

[@Kromiball]

Slightly offtopic but the sun itself orbits something, it orbits around a small circle but it isn't really noticeable.

[@spacedoutorca4550]

@@Kromiball Yea the barycentre right?

[@sadiqahmed4143]

@@Kromiball all stars that orbit in our galaxy Orbit the central black hole

[@czechslovakian]

So Uranus was named after a Greek god called “Ouranus.” [something something communist joke]

[@umbragon2814]

Spelled Uranus or Ouranous/Ouranos

[@kn4042]

Ουρανός

[@retf8977]

@@umbragon2814 *Oranos

[@alexperazzo9761]

Beat me to it dammit

[@ajsimonazzi3390]

Ur-anus Our-anus

[@schievel6047]

Pythagoras: Earth is round because a sphere is the perfect shape. Turns out he is right

[@wizardsummoner9124]

Pythagoreans also rejected the existence of irrational numbers with pretty much the same arguments.

[@gunnarkvinlaug7226]

But it's not round, but more flattning were the radius around the ecuator is bigger then pol to pol.

[@thenormann3773]

I mean he probably just shoot blindly on that and hit the mark. Pythagoras although a wise man was also kinda a cult leader. he became very dogmatic on his discoveries and to impose them in a religious way throughout his life.

[@sadiqahmed4143]

Well it is the best shape

[@RedImpostor4]

He actually had a decent idea about the shape of the earth, (ignoring the equatorial bulge ofc)

[@aarspar]

Astronomy is my favourite branch of science because it makes us see just how small and insignificant we are in the grandness of the universe. Like everything we do to please ourselves will not matter in the end. So why be selfish when you can help each other to have a better life?

[@damagedjefff6821]

I like your Scottish accent

[@DZR3WIND]

I always forget that he’s Scottish, since he is good at softening his Scottish accent.

[@sohopedeco]

I always wondered where his accent was from. I thought he was from some European country that didn't speak English,, like Croatia or something.

[@adillionbiceps7005]

Pedro Figueira croatians speaking english would have something closer to a russian accent, since they are also slavic people

[@damagedjefff6821]

The virtuous man I think his accent is Scottish, I'm not sure it is.

[@edenli6421]

The virtuous man did you learn English from a scot?

[@kevinolmedo675]

4:34 "_It's the golden age of India_" *bill wurtz voice*

[@kevinolmedo675]

@Gopi Gajwelly Time to conquer all of Iiiindiiiiaaa.. ... most of Iiindiiiaaa

[@Ida-xe8pg]

Hey they are the Tamil kingdoms, no one conqueres the Tamil kingdoms... *AND THEY HAVE SPICES*

[@kevinolmedo675]

@@Ida-xe8pg Who wants to buy that stuff? -said the Tamil Kingdoms Me! - said Arabia; the started reselling it to everyone else.

[@CEOofKanade]

I would love to see more Astronomy videos by you in the future. I'm love both Geography and Astronomy and you're the perfect channel to see both of those topics

[@Foxtrot-jr5qu]

What I find really funny is how the USSR were the first to pretty much everything in space and America send some guys on the moon and they claim that they won the space race. Same can be said for WW2. Americans think they won the war.

[@caesumcrimson6381]

Great, great video. It seems very different in content and focus than many other similar channels! Maybe you could continue and do videos on similar history of Sciences or social sciences? E.g History of our knowledge of philosophy or biology or religion or chemistry or physics etc. I like the theme and scope of these videos and it would be interesting to see how human collective knowledge has continued as most of my understanding is Euro/Anglocentric.

[@Skyral100]

Ceres is a dwarf planet. Just because it's located in the Asteroid Belt doesn't mean it's an asteroid. It's spherical and more comparable to a dwarf planet with its mass and volume.

[@Inkyminkyzizwoz]

So it's effectively been upgraded, which makes up for what a lot of people see as Pluto being downgraded!

[@sion8]

Now it's still an astroid, just like Pluto is a Kuiper belt object, but both are also dwarf planets.

[@arkcliref]

@@sion8 yeah, people forget that these titles are not mutually exclusive

[@TheRealGuywithoutaMustache]

If this guy's voice can be turned into a bed, I would take a nap on it So soothing

[@maricelatejeda8002]

I see You everywhere

[@slavemperor9581]

Eratosthenes of Cyrene (276 BC - 195/194 BC), best known for being the first person to calculate the circumference of the Earth, which he did by comparing angles of the mid-day Sun at two places, a known North-South distance apart. His calculation was remarkably accurate. He was also the first to calculate the tilt of the Earth's axis, again with remarkable accuracy. Additionally, he may have accurately calculated the distance from the Earth to the Sun and invented the leap day. He created the first global projection of the world, incorporating parallels and meridians based on the available geographic knowledge of his era.

[@bostonandmaine7444]

It's been 14min and there's already 1.3k views, just shows how popular this channel is!

[@Sinha2098]

You should see indian history about astronomy science & mathematics.. And about Pythagoras theorem that is invented in india by Baudhayana before 800 bce. This was written in his books sulba sutra

[@akritigoel9497]

Don't tell them inn Westerners ne sbkch copy krke apne nam p copyright kr liya chor hai ye

[@HistoryandOtherStuffwithBV]

Existence of a potential 9th Planet could be a small part of the explanation as to why are the orbits of comets from both the scattered disc and the Oort Cloud so effing elongated. If it exists, I hope it's a gas dwarf. That way, our Solar System would have all 4 types of planets: gas giants, gas dwards, ice giants and terrestrial planets!

[@MrDonut-ch8dr]

What planet is a ice giant

[@HistoryandOtherStuffwithBV]

@@MrDonut-ch8dr Uranus and Neptune. You do notice they're a bit smaller than the gas giants, and also of a different hue, due to having a much larger proportion of ammonia, methane, water, carbon-monoxide and nitrogen oxides in their composition than Jupiter and Saturn do.

[@BSKX17]

your list is racist towards ice dwarfs

[@EthanBoBethan]

@@BSKX17 those are in the Kuiper Belt, they're too far away to hear racial profiling

[@HistoryandOtherStuffwithBV]

@@BSKX17 Those are a category of dwarf planets and planetoids, so they don't count.

[@VelocityZap]

Pluto will always be a planet in my heart.

[@sadiqahmed4143]

Pluto doesn't deserve planet status it's not big enough it's better then a planet now

[@Compucles]

Setsuna Meioh: I agree!

[@edenli6421]

You know it’s going to be a good day when wonderwhy uploads.

[@HAHA4625]

Love the video, keep up the good work. Your stuff are like 15 minute crash courses through different interesting topics and they're fun to watch.

[@5Andysalive]

7:00 that is NOt what Gallileo saw. From reconstructions of his telescope his view needed quite a bit of interpretation. Which is, why it did not, as you would expect, just convince everybody who looked through it. And it took evenb after Galileo still a while til it became canon. Only improved lense arrangements and precision (even more then size) did that. Which was also why they could not figure out, why Saturn was sometimes bigger or had "ears". Their image with very early telescopes was nowhere near good enough to form even the idea off rings.

[@seanslawson98]

Earlier this month was the 30th anniversary of the Pale Blue Dot photo and Carl Sagan’s speech, which to me is one of the greatest speeches ever

[@vaporwavevocap]

To give NASA credit for all these technologies is factual, to say they're the only reason these technologies exist is not. We have no idea what advances we've missed out on due to the state monopolization of space travel.

[@cavemann_]

This is a really great video that not only summarizes the history of our understanding of the Solar System, but also teaches things that school didn't feel like teaching you. Thank you for making this.

[@DAngelCM]

The video is uploaded in the special day in 4 years. This time an our Solar System.

[@aakashwow724]

The oldest book on astronomy is the surya sidhanta which clearly explains the positions and velocities of planets and has formula to calculate the velocity of a planet. It also explains that the planets have an eliptical orbit. It says that when our earth is farthest from the sun the orbital velocity decreases and when it is the closest to the sun the orbital velocity increases.

[@slamwall9057]

Last time I was this early Pluto was still a planet

[@Jacob-yg7lz]

Heh, I was so early Ceres was a planet.

[@talhahhussain5603]

Last time I was this early, the Sun and Moon were planets.

[@lemonheep]

Bro I was so early there weren't even planets on the sun yet; they were still forming

[@cuteofcoqa5772]

Bhuh, last time I was so early, that the universe was a bunch of gas in space... *but is getting closer together*

[@yeetdosis39]

@@cuteofcoqa5772 its a starrrrrr

[@archdukefranzferdinand567]

I went to your channel and I've apparently been watching your videos for the past 6 years. Please keep up the good work!

[@jag3596]

Hey wait isnt this Kerbal Space Program music? If so, that's real cool

[@cowcow0506]

I think ksp uses public domain music, so that makes sense if it is

[@entothechesnautknight1762]

Every single time you make a video it is amazing. I learn so much, and you make everything so memorable to learn. History like this is what I love.

[@Gia1911Logous]

Pythagoras didn't base it on nothing... He used his theorem to calculate various things about the earth He figuered the roundness by seeing the shadow on the moon (he did it btw not Aristotle)

[@martenkats6915]

Am I the only one who is disappointed not to see any angry comments from flat earthers here yet?

[@FrostHollow]

I didn't even watch this video, I only clicked on it to look for angry flat earthers.

[@maezaranimations]

These videos probably require so much effort to make, and they are so interesting and informative. I love these videos and do carry on making them!

[@Mrjoboo1]

In 2088 a man named X Æ A-Xii discovered life on a new planet called Keplar 786A

[@rajamohamed5738]

4

[@Hachi.899]

What a wonderful, informative and relaxing video. Thank you, WonderWhy.

[@31ll087]

In Soviet Russia Uranus is Ouranus

[@icekall35]

You're back!!!!!

[@artwave2715]

Wow....freaking awesome video. I just subscribed and I'm looking forward to more good content from this channel..... Thank you

[@Stoneman256]

2:27 he also also just watched ships sail out and saw the ships went downwards towards the curve of the earth

[@StoneCresent]

A number of factors contributed to the lack of a cosmonaut on the moon. The rivalries between design bureaus caused the Soviets split their design efforts between the Proton rocket/Zond flyby effort and the N1 rocket/L3 lander effort. Furthermore, the death of Sergei Korolev almost certainly spelt doom for the Soviet crewed lunar programs as the N1 rocket program lost its chief designer/manager and more importantly the biggest advocate for the Soviet manned space exploration. With lackluster N1 test flights, a lack of political will, and the success of the Apollo program, the Soviets shutdown their manned lunar programs.

[@nunya___]

Great video! Thank You! 💖 Topic: Can we move an asteroid to earth orbit and which is the best candidate?

[@runefjord8446]

One of your best videos for sure, it has been great to see you get better and better over time! one "milestone" I think you missed is the first exo-planet, I know it isn't in our solar system but it did show us (like the earlier revolutions that showed that earth and space obey the same rules) that this star we call the sun, is not unlike hundreds of other stars

[@a.cunningham4974]

Galileo was tried after he got snippy and pissy with his patron, the Bishop of Rome, he tried to pull a Dante and the Pope said nope, stop that. If he had just calmed down a little bit he wouldn’t have been arrested. The myth the catholic church wanted to burn him straight away needs to die, he was only tryed after he started getting snippey with the Pope.

[@orenalbertmeisel3127]

A. Cunningham also worth mentioning: the claim about Galileo risking torture is simply not true. And he wasn’t put under house arrest for the rest of his life. AND the house arrest was actually pretty nice, because Galileo was permitted to be stationed at a nobleman’s property. Jeffrey Burton Russel has written about this in "Inventing the Flat Earth"

[@danoso0931]

Semi-true... while the Pope was friendly with him (until his Dialog), there were several cardinals and underlings who were waiting just for thar opportunity to finally put Galileo on trial, precisely because of his Copernican ideas.

[@newellboy2]

@BTIsaac this is, itself, revisionism

[@useodyseeorbitchute9450]

What about a compromise option - Galileo got hit by contemporary version of cancel culture and got sort of deplatformed? I'd say business as usual and generally happens to anyone whose research may undermine someone cultural hegemony.

[@savioblanc]

@BTIsaac Good God....check out this fucking lugnut

[@rafdahouk9341]

Actually a brilliant video. I've seen many many space videos but this one was awesome.

[@Wonderkid44]

I think it’s also important to remember just how much more of the planets earlier civilisations could as compared to us because of pollution

[@weaponx2980]

You could say that for the stars but not mapping out the whole solar system! With the limited resources but again I feel as if these civilization was more advanced than ppl think or they was taught by a more advanced beings! I don’t believe in little green men but I believe in an advanced being! I read that with the advancement of technology humans would lose muscle and body mass the brains would become bigger and we would resemble those martians that we commonly see! Idk if I believe that

[@kirbymarchbarcena]

I love astronomy but I got poor eyesight and in Math. I'm glad KZbin got so many great channels like this to learn from.

[@Apoorv293]

The ancient Indian concept of 'Brahman' deserves a mention at the very beginning of this story.

[@animestories12]

I am doing this for school, and I usually hate history, but find I rather interesting!

[@Ida-xe8pg]

Ouranus - Greek | V Uranus - Latin

[@hotsauce0097]

Idk if anyone’s said this but ur voice is perfect for those sleep/calm videos

[@themanwiththegoldengooch9811]

12:29 is it just me or do yuri gagarin and valentina tereshkova look identical

[@jeremys7882]

It's just you and 10 other people.

[@2406ab]

its because they are wearing exactly the same spacesuit and their hair is covered with exactly the same hood

[@themanwiththegoldengooch9811]

@@jeremys7882 good think you edited that otherwise you would've looked like a fool

[@jeremys7882]

@@themanwiththegoldengooch9811 Ikr?

[@amauritaniannomad6533]

6 flat earthers disliked this.

[@abnormallylargefrog565]

I was thinking 34 extremely religious people.

[@MariaMartinez-researcher]

@@abnormallylargefrog565 Not necessarily. There are religious astronomers and scientists. The Vatican has an astronomical observatory. :-) www.vaticanobservatory.va/content/specolavaticana/en.html

[@blam320]

@@MariaMartinez-researcher That doesn't excuse the Church's long, anti-science history. We're a thousand years behind because they suppressed advancement of knowledge, as it challenged their power and authority.

[@Ecumenicallywired]

@@blam320 um no not really

[@blam320]

@@Ecumenicallywired As was stated in the video. Galileo was ordered by the church under threat of torture to take back his claim (with proof) that the Earth wasn't the center of the universe. I suggest you also look up Giordano Bruno, another victim of the inquisition from around the same time.

[@TCook-d3s]

Excellent video. Thanks for posting.

[@triflomastera4882]

All of this, yet a lot of people still believe the Earth is flat

[@saifuppal7403]

How stupid and how preposterous just like old me.. stupid and preposterous. Lol

[@sadiqahmed4143]

Let's Send those flat earthers In space and show them Earth is a strange sphere

[@gamingcreatesworlddd2425]

@@sadiqahmed4143 they will make new excuses like nasa have hologram which shows earth is sphere if they are sent to space 🤣🤣🤣🤣

[@bryannuxoll9479]

Wonderwhy, I enjoyed your video. The only issue is that Galileo was tried because he insulted the Pope, not because of his stance on Geocentrism. Also, Tycho Brahe created another model of the Solar System that many people believed during the time of Galileo. You did a great job on your video though.

[@5tarSailor]

thanks for letting me know that WonderWhy has been uploading youtube. Now i got a back log of videos to watch

[@rs-dn4ez]

P^2 is proportional to a^3, not equal.

[@jeremys7882]

Great video! Always get excited when I see the dot next to your name in my subscription feed!

[@TheRealGuywithoutaMustache]

Speaking about humanity’s evolving knowledge of our own star system, I hope that one day we can advance a tier into the Kardashev Scale and propel our technological capabilities even further to push our knowledge of how this universe works. The size of the universe is frightening, incomprehensible to humans. Traveling outside this star system would take over 60% of our lifespan. It’s just difficult to imagine humans being able to travel outside this star system with our current primitive technology.

[@maricelatejeda8002]

I see You everywhere

[@cowcow0506]

I was playing Kerbal Space Program while watching this video, and I paused the game and the music kept going. I couldn't figure out why until I realized it was the video!

[@maezaranimations]

It's a myth that an apple fell on newton's head, this is just a simpler explanation for people who couldn't understand

[@craigwalters4452]

Brilliant!

[@daydreamer8662]

The Earth being round was figured out LOOOOOOONG before this. Sailors noticed that when an object in the distance first came to view, it was always the top. As they approached, the vision of the object spread down towards the base. It didn't take long to figure out this only happens if the surface you travel on is round. It can't happen if the Earth is flat

[@theworldofknowledge2449]

Yes brother...I have the same content in my video but explained good..Please check it out😊👍 and let me knew your feedbacks👍

[@ZopcsakFeri]

This is my favourite video about Airth!

[@beefjerkythesecond]

Excellent video especially with its simplicity! However Keplar's Third Law equation is written incorrectly. P^2 does not equal a^3 (the units don't match up), it should be written as P^2 ∝ a^3

[@razvan50087]

Uranus? Ouranus! *soviet anthem starts*

[@rred8196]

I don't know why but I watching wonderwhy while eating breakfast is the best thing ever

[@MarshallChems]

1:30 they thought me that in first grade idk why they would say that but thats what I was taught 😭 oh yeah nice transition to the ad thats like the smoothest transation I’ve seen

[@zeanamush]

Columbus thought the Earth was round. He just thought Asia was bigger

[@jellemaarten2145]

Thanks for this video!!

[@LeoStaley]

It would be better to describe Galileo's vocation as lens maker. he decided to aim his lenses upwards, and boom, revolution.

[@MrFresh3991]

Well that ancient sumerian cilinder depicting also 9 spheres of different dimension arround a star makes me always wonder thou......

[@BlueLiberty20]

The first animal sent into space were actually fruit flies sent by the United States aboard a V-2 rocket on 20 February 1947.

[@AzureShade]

Very interesting thank you

[@karl5722]

At approxinately 4:29 , there is a recurrent misconception about the middle ages as a dark age. The early middle ages (500-1000 AD) might be comsidered dark though there are arguments against this such as the fact that there was a Carolingian Renaissance and ither devellopements. But the rest of the middles ages were certainly not dark. Universities and Schools sprung to educate monks and there was a recovery of ancient knowledge primarly Aristotle, but also the capture of the knowledge of the arabs which influenced medieval thought. Relating to this was astronomy which has many pioneers such as Roger Bacon. There was still work done in astronomy which influenced the scientific revolution.

[@BlueLiberty20]

I wonder if the reason for elliptical orbits around stars is due to the second star in each solar system, perhaps they are often hidden as they may be in their dwarf stage.

[@Esmoxe]

I recommend reading Alexandre Koyré's book "From the closed World to the infinite Universe". Aside from a few incorrect criticisms to Galileo's experiments, it's a really interesting take on medieval astronomy and the copernican revolution that goes way beyond the usual simplistic narrative of empirical phenomena against dumb religious dogma.

[@thecurrentuniverse]

Pythagoras read the writings of the ancients of India and just copied what they had already discovered. All the westerners did that.

[@samibasheer4674]

Wonderful video, keep it up!!

[@johnchessant3012]

Happy Leap Day!

[@simone.7076]

Fun fact: Newton was born a few months after Galileo died, in the same year.

[@abrahamgarcia8332]

for flat earthers. it might as well be really flat. its not like they are gonna launch a rocket or anything. and even if a flat earther does fire a rocket it space he will stop being one.

[@SWLinPHX]

If in the near future we actually do find a ninth planet in our solar system that perfectly meets the definition of what a planet is, should we rename that one Pluto too or would that be considered a snub dissing the original Pluto? Would you have a problem with the ninth planet being named something similar but different, like“Goofy” instead?

[@gavinkemp7920]

7:42 you would observe phases of venus if venus was between the earth and the sun which is what was suggested.

[@bsrubel]

At 8:34 your equal areas, A, do not have equal areas. The closer to the sun one should have more on the boundary, while the further on should be a thinner slice.

[@Curiosity403]

Sumeta, Syamet and Teekshana 👆👆👆👆👆👆👆👆👆👆👆👆 Uranus, Neptune and Pluto The above is the names of planets mentioned in Mahabharata (an Indian epic) in 3100 BCE. We knew about all planets and universe in ancient times, we even inspired greek philosopher's. Our priests and astrologers can still calculate positions of planets without useing telescopes or internet

[@Wadethewallaby2001]

I just wish that people would just look up. & understanding that we’re not alone.

[@adootyavision9665]

Nice vid!! But you didnt mention about the discovery of pluto and how it was named by venetia burney

[@StichyWichy21]

Is the image at 1:22 flipped?

[@Gonzalo_105]

fantastic video, thank you for this. have a nice day.

[@thelibyanplzcomeback]

4:08 Ah yes, the Earth revolves around the Earth.

[@purpite1001]

I'm actually In a school where Copernicus Is It's patron. Suprisingly though there's not much said about astronomy and astrology, only a shabby physics lesson about it. We learn more about history and Polish literature (atleast in my class). (sorry for bad english)

[@Compucles]

1846: OK, we've discovered Neptune, and that should be the last planet to find in our solar system, bringing the grand total to 8. 2006: Yep, that sounds right.