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@@BlueStratDude mind blowing. And that’s just in the observable universe. Two trillion galaxies, each with anywhere from hundreds of millions of stars to a trillion stars, all those stars with multiple planets (not even counting the moons!!!) There could be billions of earth like planets (and moons), and civilizations. Even more if you think of the last few billion years… how many ancient civilizations have come and gone over the course of hundreds of millions of years to billions of years, I can’t even wrap my head around it. Some civilizations lasting tens of thousands of years, some maybe millions. Some way less advanced than us. Some the same as us, and some super far more advanced. Some nothing like us. Some absolutely nothing like us…The possibilities are near endless and infinite. I love it.
Meanwhile you go watch a recent NOVA episode about supernovas and see an “astrophysicist” shout into the camera “DAS A BIG EXPLOSHUN!” Mainstream science documentaries have gone full Idiocracy.
man I've been with this channel since it's very first video. it's amazing to see just how massive an improvement has been made regarding the quality of the videos. I remember thinking, ' wow, this is some top-notch production quality for a new channel.' lol now they might as well call themselves The Discovery Channel way2go kosmo, and thank you for the consistently amazing content you provide for our enjoyment, not to mention you're doing it all for free. truly a rare thing to come across nowadays on RU-vid
I have been looking for a video like this -- to explore and explain other stars in our relative stellar neighborhood. Excellently done. Informative and entertaining with some slick graphics and animation. I sincerely appreciate all the effort that went into creating this media.
@@jamieholmes6087 As a South African I can't agree with you, It sounds odd though, like someone trying his best to sound native English, I would agree with @Pyro.
Another fantastic video from you guys!! I did find it funny at 17:49 you state Proxima Centauri is 4.25 AUs from the Sun rather than 4.25 light-years. That would put the star somewhere in Jupiter's Orbit or even closer since Jupiter averages 5.2 Au's from the Sun!
Lol I thought I was the only one who hear that. Sat here looking at Jupiter like "so you have a secret date you didn't tell us about? Cheating on our Sol huh?" 🤣
Yes, several errors in this vid. I question his reference that Ross 128's radial velocity will place that system "closer than Alpha Centauri" when it is Barnard's Star that is expected to be as close as 3.5 l. y. in about 12 millennia. He further stated that Alpha Centauri [system] is moving away from us, and the opposite is true, as it is approaching us at 21 k.m.s. [i.e. pretty fast!]
@@davidflitcroft7101 The video also states at 19:15 that Arcturus will eventually go supernova, but it is only approximately 10% more massive than the Sun so it will not.
All the happiness and pain. War and diplomacy. Cooperation and drama. Everything that we are as humans, our entire history has all taken place on this tiny blue rock orbiting an average star hurtling through space as our 150k light year galaxy turns which is just one of billions of galaxy. The scale of this universe is mind breaking and makes everything humans are seen so entirely insignificant.
I don’t even have to watch the video to know I can honestly give it a like and will mean it! I love all your videos, I learn sooo much. Thank you for all the efforts put into these wonderful lessons for all of us. ✨
The modern World is HARD. Its normal to be frustrated: I sure know I am! I am painfully-aware that Republicans and Conservatives are Anti-Progress in the most literal Sense. They have dangerous, dangerous Ideas, in fact. And yet, me pointing this out will lead to accusations of 'Generalizing' even though thats nonsense. I am simply talking about Ratio. Im not generalizing anyone, i am just pointing at the fact we should all Vote Left cause LGBT-Hate, Science-Denial and Pseudoscience mainly comes from Religion and Right-Wingers. This is not a wild Guess, its obvious if we look at the Data. It is just a statistical fact that even my fellow Science Fans are reluctant to accept. Yes, we can track this stuff down and amanating Science-Denial and LGBT-Hate in massive Waves isssss: You guessed it, the Right-Wing.
Except for saying Proxima Centauri is 4.25 Astronomical Units from the Sun instead of saying Light Years, AND showing Alpha Centauri A and B orbiting a centre of mass with tiny Proxima Centauri as if it had the mass of a black hole.
This channel is one of only two total that I allow literally any new video notifications for - thank you for making such an amazing channel that gives the facts with just enough visuals to create an awesome viewing experience, and doesn't resort to sensationalist garbage that so many other "science" channels do. And as always, this too is further top-notch content!
Totally agree, he (or she or they?) clearly love science and cosmos and he (or she or they?) share this love with these overall great video's. One of the nicest `feel-good`channels for sure
And yet the writers messed up on the Sun. The AI narrator said at 6:00 he says the outer convection layer is comparatively dense, but then says stellar matter here is more rarified and changeable. I think the writers need to go back and re-word that and make it clearer, such as comparatively denser to what? Also it never pointed out until much later that much of what was said regarding the inside layers of the Sun are hypothesis and not verified. Although later they did say it is hypothesis and theory, but it should have been said while still in the Sun. Just saying at least some discernment is needed.
@@MountainFisher I'm not sure if you mean that it was clarified in a section different than the one specific to "the sun" or not, but if so, one thing you'll notice is that these larger productions are often mashups of smaller/more niche content from the channel that are then used to bolster another more general topic - often times these sections are made at completely different points in time, and as such, do sometimes come with certain discrepancies like that, particularly if there's a larger gap in time between production points. That said, if those are the only two errors in the entirety of the presentation, I think I'm inclined personally to still give them major props for solid content nonetheless ☺️
@@MountainFisher but yes, I do understand what you're saying and, if they are going to use those smaller vids in a bigger production, they should make sure the content is as plainly uniform in content as possible to avoid exactly the kind of discrepancy you've identified (which I also totally didn't even catch before you said anything about it when I played through it & I'm usually pretty good at that as an editor myself, nice job!) 👍👍👍
@@SteedRuckus Of course it is minor except the mixing of the inner Sun Hypothesis. At first it sounds as if it is a known factor, but it isn't known, it is a S.W.A.G.* and can be confusing to most scientists, let alone laymen who are not Solar physicists. I'm a retired biologist and how many non-biologists know that abiogenesis is not a proven assumption? *Scientific Wild Ass Guess
Centauri will move closest to us in 26,000 years then begin to move away. The 2nd comment about Ross was in 79,000 years. By then Centauri will be moving away.
I would tend to agree. Unless the star is expected to gain mass through accretion or some other mechanism, it doesn't have the mass to undergo a core collapse supernova. It would instead eventually grow to a red giant stage and then probably blow off its outer layers in a non violent fashion and produce a planetary nebula, leaving a white dwarf.
It's amazing that the closest star to our sun is a triple star system! As well as a binary system too! Just imagine the excitement of future generations not only visiting another star that is not our sun, but seeing Alpha Centauri A and B moving as a binary star system and Proxima Centauri as the third star system.
Had to say a big THANK YOU 🙂 That was incredible. After watching it I just sat there, replaying it in my head. You have no idea how grateful I am. I have no way of getting access to any of this kind of information yet there it is on RU-vid and so well put together that even someone like me with "Visual Processing Disorder" can understand it. Thank you again for all the time and excellent work you put into all your video's 🌞🌞🌞🌞
Sorry Kosmo. You got that wrong. Proxima Centauri star is not 4.25 astronomical units from the Sun. It is 4.25 light years from the Sun. That should be easy enough to repair using a robot voice as a narrarator. If it is a robot???
Visually, they have all already "reached" us, only they represent different times in each of their histories. From their light and various movements we can deduce information.@@radrook2153
an interesting concept - old stars dissolve in a (super)nova and gravity squeezes everything back together and new stars and planets are born, like Recycling...
@@pyro7234 Somehow folks have been conditioned to believed that a British accent makes the piece more credible because the narrator is from another country. It's as if the whole of You Tube is the fucking BBC. For some reason it bothers me. Fuck em all.
Yeah, the egotistical "celebrity" scientists itching for a few seconds of screentime are kinda annoying... If they are somewhat attractive female scientists their odds of screentime go up it seems!
I learned from Anton Petrovs space simulation programs used, that if we had a Wolf Rayet star in the center of our solar system, Earth would have to be almost 2 ly away before the temperatures would be liveable. The second he put one in place of the sun in the simulation, it immediately sucked in every single object in the Solar System and obliterated everything including the Oort cloud objects. This video shows more detail on WR types. So fascinating how powerful they can get.
You are aware that the second you realize beetlejuice's light disappears that it went supernova 642 years ago. It is impossible for any human being to be alive during the time Beetlejuice goes supernova and know about it unless over the next 30 to 40 years or technology changes and become significantly more powerful in the process.
Watching space videos really helped me in my depression last year. Cause, 1. I realized how small I am in a floating rock, that's also so small compare to the vast universe. So why should I treat my negative thoughts or problems like it's something big, it's not, I shouldn't worry the small stuff anymore, now I am always trying to remember that everytime negative thoughts are present, it helps to reverse it and it calms my mind. 2. I am a stardust, we are all stardust, we are sons and daughters of our sun. It's nice to live life knowing where you came from and where you will eventually end up, back to the earth. So live life, and don't waste any time in worshipping man made gods. 3. I swear, the narrators of cosmo channels have the most relaxing 😌 voices, these are my go-to videos before bed, I cant even finish a single video at night, for I would always fall asleep before the video ends, that's how relaxing their voices are. Thank you Kosmos! Not only for the awesome space videos, but for the therapy.
Yes! Same for me! I always think about the bigger picture whenever life gets hard. It helps me also. I have a fear of getting old and death and it really helps to remember where we are. Where we came from. Just like u said. Right on 👍
Amazing to think with the amount of possible stars the are in the the universe we can only assume we are existing in a dream in a meaningless nothingness and each one of us is so precious.
You see, this is what happens when people try to look away from our planet for other comparisons. Our solar system our planet earth is not small by any means. It is large enough to rotate on its own axis. It also holds not only heat but deferent gasses throughout many layers of atmosphere. It holds the solar systems fifth largest moon and is also large enough to keep it tidally locked even at a distance of 240,000 miles away. Also it would take a person 10 years to walk around the earth. Also it's still large enough to be seen from planets like Jupiter. So no, no I disagree that our planet is small.
@@bossredd-77 Ha ha ha! It wouldn't take 10 years to walk around the Earth! It's circumference is almost 25,000 miles. Maybe 2 or 3 years if done as a full time job.
@Auhuhhuu Not the point, the point is how long would it take an average person to walk around the World or walk 24,901 miles/40,075 km. Simple math is all that's needed, 24,900 miles/4 mph=6,225 hours at 12 hours a day. It would only take 518.75 days. Less than two years assuming no weekends off to take in the sights along the way.
The breakthrough starshot is an amazing invention that uses lasers to find out what's in our closest star system. In 30 yrs possibly humans can get some interesting news about Alpha Centauri.
Now when I get abducted and I ask where the aliens are from, I wont have to lie about knowing where I am in the galaxy and the surrounding stars. When they tell me, I'll be able to actually understand where in the galaxy they're from! Thanks Kosmo.
I'm well into my 6th viewing session of this video. love your longer-form content. it's incredible you manage to create a video of this magnitude without reusing a bunch of information/clips you have already previously shown in prior videos. most channels would simply mash together a weak, low-effort 'compilation' of a bunch of their older content, whilst giving it a new title and try passing it off as an entirely new video. hope you are getting everything out this channel that you deserve, if not monetarily, than at least in regards to the fulfillment you must recieve knowing you are furthering the advancement of human knowledge amongst your peers. thank you kosmo.
This camera man went and travel to these planets just to give us a glimpse of what they look like. You are the champion of champions my friend. Congrats!!!!!
Absolutely loving this! Thank you for posting this kind sir! You have made my day better by posting this video and I really appreciate it. May your life and the lives of those you love be filled with health, happiness, smiles, blessings, love and laughter!
Wow-what a video! I majored in the science fields at Palomar College from 1978 to 1989 & even wrote a thesis on The Sun which is still used today in the teaching format. :)
Great video, per usual! I usually don't really comment, but I really kinda miss y'all saying Kosmo right before the video. I still say it🤭😊 Anyhoo, thanks for the the awesome content. Y'all make everything so easy to understand 💖
Excellent. Good science. Up to date. Interesting. Stunning visuals and well presented by a pro narrator. I would say outstanding. And important and fun!! I love to learn about our neighborhood!! Thanks and good job!
I've always wondered how much mass the Sun accumulates from attracting matter and dust. And over eons, does it have an impact on the Sun's behavior? Thanks for posting this! This is feedback to make the presentation better. At 18:00 you state Proxima Centauri is getting closer, but at 26.41 you state is getting further. Also, typo in spelling of Altair at 32.24. This was wonderful information. Thank you!
The narrator said the nearest stellar object of Proxima Centauri is 4.25 astronomical units instead of light years. I'll take a small mistake for a brilliant space documentary.
THIS WAS AMAZING WOW!!! i watched this in 2 days, and i was mesmerized by the beauty of the video. thank you for teaching us how our nearest stars look and shine. aloha from hawaii.
@Kosmo , At 17:48 you say the 3rd star in Alpha centauri group is only 4.25 "astronomical units" away from our sun, or closer than Neptune? Although the video DOES show 4.25 L.Y. I was listening and heard the error. Mistake #2: at 27:13 the screen shows "MASS: -17% that of the Sun", meaning it is 83% M(s); but you say "The mass is only 17% of the Sun." Same written error for RADIUS at 27:20.
I enjoy cosmology that is not about proving existence of life on other planets.Ross 128 is a dim red star. Without light no plants .Without plants no life.
Excellent! A question; how far out from the A Cent CG would one have to go to maintain an orbit around both stars? I'm visualizing the planet with its double sunset in the first star wars movie.
What kind of breed these scientists are. They are greatest. How they design such satellite. Hats of all u guys and the one who made video on it. We bloody can't escape from religion. U are totally great guys. All the best.
