Astronomers Have Detected Strange Planets Just Outside Our Solar System

[@psychkosys]

Listen, I won't probably live to see what is in Alpha/Proxima...but it is the most exciting space exploration goal set in my life. I wish i could see the first data come back from the system before I die.

[@38Kilo]

For now, you can always explore what may be there using Space Engine:) Best wishes my friend

[@SeauxNOLALady]

The cosmic scale is so difficult to comprehend and even imagine in a way that is anywhere near relatable to the human scale that it still astounds me every time! I have studied physics and astronomy since I was a kid, and I am always fascinated by the vast scale of space. The closest star is still so far from us that it would take us tens of thousands of years to travel to it using our current technology. Even if we were able to travel at the speed of light, it would take over four years to get there! The thought of being stuck on a spacecraft for multiple years gives me the shivers!

[@alanross8356]

We must persevere 😣 and see that Breakthrough Starshot comes to fruition as our quest for knowledge or inquisitiveness is insatiable. No doubt in time we will discover the kind of propulsion necessary to conduct interstellar travel, at least to the nearest star,⭐️ within a human lifetime

[@matthewking4232]

for all we know, the universe is small. Mabby we're just like snails and microscopic. We made up distances based on lengths, obv... But after that, it's all just our opinions. stuff is far away. And I agree. But! A fact checker is not real in reality! I mean, yea i could Google the answer, but my Google search is gonna spit hypothesis. Not the TRUTH! its all subjective with prospective. Some mucus membranes out ther far far away are able to traverse the universe bubble in ther high tech vehicle and can go all the way around our universe in 15mins ( by our made up time vantage) and return to we're they started.. They think our universe is small! I heard em say it in a dream! In ther opinion, our universe is just too small.If only they knew how to warp to anotha universe bubble, like the mucus fungus do with ther magical vehicle.. We just don't know shit really. Any knowledge proved with what we call science only opens up additional unknown questions/answers. And I love it good talk!!

[@olliohls1846]

Once we have transcended the limitations of our biological bodies the times needed for space travel will not seem so impossible

[@sinafey7030]

not to mention one easily ommited fact - we have NO IDEA what we will actually encounter there...even the closest star to us, the images and information we get IS 4 years old - always.

[@jumpingsloth3963]

The thing is. If you were to travel at the speed of light, to you the trip would feel instantaneous. But the rest of the earth would be waiting four years for you to get there.

[@rebeccabasiel1509]

I have to say, Alex’s (sometimes cheesy) sense of humor always makes me crack a smile:)

[@groveh1]

Just for laughs, farthest planet is Neptune at 30 AU (1AU=dist to sun). 'Just outside our solar system" is Alpha Centauri at 270,000 AU.

[@EdwardHinton-qs4ry]

Yep ppl will never understand how ridiculously far away stars are. Oh it's so close, it's ONLY 4 ly away. Star trek and other sci-fi makes ppl think we will travel easily threw space. I personally think humans will never leave the solar system, probes yes but not flesh humans,ever.

[@sethprice241]

@Edward It would be a one way trip.

[@jokerace8227]

The one I think most can sort of fathom because we can see Saturn without a telescope, is that Proxima Centauri is roughly 28,000 times farther away than Saturn is.

[@EdwardHinton-qs4ry]

@@jokerace8227 If you were on a human scale and were on a jet plane traveling to Proxima Centauri it would take around 5 million years. Ppl really cannot understand the scale of the universe.

[@chesterfieldthe3rd929]

Crazy

[@psyxched]

I love this channel, the narrator sounds like he's smiling the whole time and that's the type of passion I need from a creator about a topic haha

[@ashleyobrien4937]

no, he's just madly in love, with himself.

[@peterrizoglou4937]

agreed! can hear the smile

[@peterrizoglou4937]

@@ashleyobrien4937 troll

[@ashleyobrien4937]

@@peterrizoglou4937 no, I've just got a insulin deficiency...

[@TheApplications1]

Common sense if you have small IQ that you didnt realize all other planets stars moons etc are non life compare to our planet earth there is a life WHY because of our powerful creator of all things design engineered written in the holy scripture! If you are genius like einstein then you are blind!

[@TheGreatKrystoff]

Dude you have GOT to stop using that incredibly misleading opening graphic of the distance to alpha centauri.

[@elmerortiz9327]

I don't know about misleading but everything is really really far out there and I mean everything.

[@markopecinovic4475]

​@@elmerortiz9327What he means is the line to Alpha Centauri should have led out the screen for about 2-5 minutes more.

[@Huntamin77]

@@elmerortiz9327It’s INCREDIBLY misleading. He shows the graphic like it’s a to-scale image, showing where all the planets are, where voyager got to, and then where Alpha Centauri is, but the real graphic would have the screen zooming over for at least 5-10 more minutes, maybe even way more idk. The point here is he’s making 4 light years seem not too far when in reality it’s ridiculously far.

[@thesenamesaretaken]

I assumed it was logarithmic

[@turkishmaid]

When a vid is just a concatenation of existing episodes, it would be nice to have the date when an episode was first aired, especially when terms like "December last year" are used...

[@trol68419]

REHYDRATE! REHYDRATE!

[@OnlyJalenPhd]

There are so many anomalies in the universe. We have mostly theories, but imagining the possibilities are endless.

[@jamesofallthings3684]

We don't even have enough data to call something an anomaly. We didn't even know for sure there were exo planets until a few decades ago. We really don't know much.

[@OnlyJalenPhd]

@ I completely agree. The universe is so amazing.

[@Alienshade]

Maybe just maybe start on earth and build a city that doesn't need outside help for people to live in. That is what you need on Mars more or less.

[@isaackitone]

And with 12 day orbits, youre bound to be involved in any "solar" flairs that the red dwarf will emit, even if it is in the direction opposite to your current one. A few days later and you're bathed in it.

[@spunn_co]

Sorry to say but there's a black hole in the middle of a and b that's why they rotate plus the radiation from the three stars with just destroy all human DNA

[@noelstarchild]

Interest peaks at your uploads buddy, thank you.

[@TheGreatRepeller]

The headline made my magic rock loving friend jump for joy screaming I knew there was a planet X, lol. Then the sads after he watched...

[@markshillaw3536]

WTF 🤬

[@markshillaw3536]

Freddy!!!

[@markshillaw3536]

Lol 😂 😮😢

[@kevykevTPA]

Same!

[@generalmarkmilleyisbenedic8895]

Have it not be so gullible then

[@LeftoverPizza-k7b]

I just read the Remembrance of Earth’s Past series by Cixin Liu and I can think of three reasons to not want to explore any planets in this system any farther

[@AncientWildTV]

Wow, this video is really fascinating! I love how you presented the discoveries with such clarity. But honestly, I can't help but wonder if some of these "strange" planets might actually challenge our understanding of what makes a planet in the first place. I mean, how do we even classify them if they’re so different from what we know? Just thinking out loud!

[@einarcgulbrandsen7177]

1. At a constant speed equivalent to Parker Solar Probe (700,000 km/h), it would take approximately 6,543 years to reach Proxima Centauri. This illustrates the vast distances in space and how limited we are by current technology. 2. Parker Solar Probe travels at approximately 0.065% of the speed of light. This shows how far we are from building spacecraft capable of approaching the speed of light. 3. Remember to bring extra food.

[@Avalozir]

Zuck the Alien, Space Karen and Mr. Hawking. Only the last name is any sort of positive endorsement. Still, interesting stuff. Thanks for the video.

[@djannias]

🎯 Key points for quick navigation: 00:00 *🌟 Alpha Centauri System Overview* - Description of Alpha Centauri as the closest star system to our solar system, consisting of three stars: Alpha Centauri A, Alpha Centauri B, and Proxima Centauri. - Discussion on its discovery and unique characteristics, including Proxima Centauri’s dimness and activity. - Mention of its relevance to interstellar colonization and ongoing scientific intrigue. - 01:38 *🌀 Formation and Characteristics of Proxima Centauri* - Proxima Centauri's status as a red dwarf star with high density and intense solar flares. - Magnetic field dynamics and the implications of its flares on potential habitability. - Its longevity compared to our sun and prediction of its eventual fate. - 06:25 *🌌 Gravitational Bond with Alpha Centauri AB* - Proxima Centauri’s gravitational relationship with Alpha Centauri AB and its orbital period. - Theories about how it joined the Alpha Centauri system, either through shared formation or later capture. - Future predictions of the system’s eventual divergence. - 08:10 *🪐 Discovery of Exoplanets Around Proxima Centauri* - Discovery of Proxima Centauri B, its Earth-like size, and position in the habitable zone. - Challenges to its habitability due to radiation and atmospheric instability. - Speculation about Proxima B’s formation and possible surface conditions. - 12:14 *🌍 Proxima D and Controversial Proxima C* - Characteristics of Proxima D, the smallest exoplanet detected using the radial velocity method. - Disputed existence of Proxima C and debates about its detection methods and data reliability. - Insights into the challenges of confirming exoplanetary discoveries. - 15:29 *🚀 Future Flyby Missions and Breakthrough Starshot* - Discussion of propulsion challenges for interstellar travel to Alpha Centauri. - Introduction to Project Breakthrough Starshot and its goal of reaching Alpha Centauri using microprobes. - Technological hurdles and aspirations for gathering data from Proxima Centauri and its planets. - 18:01 *🪐 Exoplanet Discovery and Habitability Challenges* - Overview of exoplanet discoveries since 1992 and the potential for finding Earth-like planets. - Importance of the Goldilocks zone and the role of atmosphere in determining habitability. - Common pitfalls in assuming exoplanets are suitable for human colonization. - 21:48 *🔥 Challenges with Red Dwarf Star Systems* - Characteristics of red dwarf stars, including their prevalence and extreme solar activity. - Issues with habitability near red dwarfs, such as atmospheric stripping and tidal locking. - Implications for planets like Kepler 186f and their unsuitability for sustaining life. 25:32 *🌍 Challenges of Tidal Locking and Gravity* - Tidally locked planets present extreme conditions, with one side perpetually hot and the other frozen. - Lack of rotation weakens magnetic fields, reducing protection from radiation. - High or low gravity can make planets uninhabitable for humans, with issues ranging from bone brittleness to excessive strain on the cardiovascular system. - 31:01 *🔭 Hunting Earth 2.0 and Exoplanet Observations* - Billions of undiscovered planets likely exist, but confirming habitability requires direct exploration. - Observational techniques like transit photometry help detect exoplanets indirectly by analyzing light dimming during planetary transits. - Many planets fail to meet criteria for human life, despite initial optimism from early discoveries. - 34:08 *🚀 CHOPS and Exoplanet Analysis* - The CHOPS telescope specializes in analyzing known exoplanets to understand their composition and potential habitability. - Its mission focuses on Earth-like planets, using blurry imaging and advanced photometry for light variation studies. - The telescope’s space-based positioning ensures uninterrupted, accurate observations, avoiding Earth's atmospheric interference. - 43:02 *🪐 Jupiter-Mass Binary Objects (JUMBOs)* - Discovered by the James Webb Space Telescope, JUMBOs are rogue planet pairs orbiting each other in the Orion Nebula. - Their frequency challenges current models of planet formation, suggesting gaps in our understanding of cosmic processes. - Possible origins include ejection from planetary systems or formation through unique stellar dynamics, with further study required. 51:10 *🌌 Challenges of Interstellar Planet Formation* - The opacity limit prevents small planetary masses from forming independently in interstellar space. - Magnetic fields or other unknown factors may play a role in the formation of Jupiter-mass binary objects (JUMBOs). - JUMBOs challenge existing models of star and planet formation, requiring further research and exploration. - 57:10 *🌍 Methods of Exoplanet Discovery and Habitability Criteria* - Techniques like transit photometry and spectral analysis are used to detect exoplanets and analyze their atmospheres. - Habitable planets need specific conditions: liquid water, protection from radiation, and a stable environment. - Out of thousands of confirmed exoplanets, only a few meet criteria for potential habitability, with further studies required. - 01:02:31 *🔭 Limitations of Exoplanetary Observations* - The narrow detection range of current telescopes limits our ability to confirm habitable planets across the galaxy. - Estimates suggest billions of habitable-zone planets exist, but detecting them requires significant advancements in technology. - Future missions, like the James Webb Space Telescope, aim to refine our understanding of exoplanetary atmospheres and habitability potential. Made with HARPA AI

[@UncleJoeLITE]

Nice compilation, thanks from Canberra 🇦🇺 PS: I sure won't be finding out the answers to many of these before I return to the universe.

[@Mr.C151]

Zuckerberg was just trying to score a lift home.

[@saifsvideos]

57:35 what’s the name of that background music track?

[@joseph-mariopelerin7028]

Oh that's great.... only three billion lifetimes away! Can't wait to get there!

[@coodudeman]

There is no “on” a gas giant… there’s only IN a gas giant

[@yaddahaysmarmalite4059]

do you know that as a scientifically verified fact? when was the probe sent? what was the probe called?

[@John_Doyle]

​@yaddahaysmarmalite4059 right!? Don't you love it when people speak so "matter of fact" from unproven theories? 🤦‍♂️

[@lozg8887]

@@yaddahaysmarmalite4059 NASA's Galileo probe, if you actually want to know. Edit: oh yeah forgot to mention, also the Juno probe.

[@OzymandiasWasRight]

I was on AND in your mom.

[@JackFrost008]

ok. there will still be solid "ground" in there somewhere.

[@jankybit]

My ear is being drawn to some of these background music tracks, where do I find them? They're very good!

[@snoopy_peanuts_77]

kinda sad that Hawking is being mentioned along with clowns like Zuckerberg and Musk in the same sentence....insulting

[@newshodgepodge6329]

There's bound to be at least one someone out there who has pitched ideas for causing rotation of celestial bodies that are currently considered "tidally locked," perhaps even our own moon. Whether it's a good idea or even feasible is above my pay grade.

[@jimwinchester339]

So... our "earth-like" planet has been flash-broiled countless times.

[@markshillaw3536]

And as always I hope you all enjoy

[@viking8889]

“Three body problem”

[@ArcaneTurbulence]

One thing that isn't being mentioned here. People born to a planet with different gravity would have a different skeletal structure, vascular system, and stronger hearts than us. They would literally be adapted to it because they would grow and mature in that gravity. I'd assume they'd naturally be shorter due to the gravity, but that would be to their benefit.

[@Knardsh]

I feel a little tricked here

[@1joshjosh1]

New discoveries kick a**.

[@TreXsJournal-Coming-Soon]

I refuse to even watch past 0 seconds until someone tells me if he is actually talking about new planets, vs the same ones I keep hearing being talkded about to oblivion, the old "new planets".

[@PvtSchlock]

If you'd put Alpha Centauri in the title I wouldn't have opened the video. I came in for more hot coffee. I'm going back out to look at retrograde jupiter. Kick rocks.

[@injunsun]

@AstrumExtra, unless someone is a clarvoyant, I doubt Stephen Hawking is in on the conversations about going to Proxima, considering he died about six and half years ago. But I assume perhaps you meant that he had said somethings that were in the mix years ago. Still, it was weird hearing you say he was participating in conversations. Obviously this is no serious issue with your presentation, just a note for the algo.

[@matthewtopping2061]

Thanks for pointing out one of the many problematic things about this video.

[@Mafyeux]

This is actually a compilation video of previous episodes, as another commenter pointed out it would have been nice to know when the episodes were originally produced, as science advancement changes drastically even from one year to the next. Presumably, the info here would still be our current best knowledge, but some things may possibly be just a bit off, like Hawking's state of existence.

[@robertbluestein7800]

@@matthewtopping2061well, You weren’t technically wrong. Hawking did talk about colonizing other planets.

[@fasteddyuk]

Neither Elon Musk or Mark Zuckerberg know a damn thing about habitable exoplanets. They're just rich guys.

[@vicgodsucks1157]

@@fasteddyuk *PREACH MY FRIEND!!* 👏👏👏👏👏👏

[@Ryxbar]

He has a BA in physics, so he probs knows more than you or me, statistically

[@stevenbaumann8692]

I was hoping for a new planet. Also. Elon doesn't know what Proxima is.

[@cdalloso2010]

not new to us... TrIstar system and its planets already been discovered several years ago

[@kimemia_maina]

Meet potentially habitable exoplanets in your vicinity 😂😅

[@chanimalice3874]

I wouldn't lump with Zuk or especially Musk in with the likes of Hawking. Musk in particular is a freaking moron

[@GRudeger]

Imagine selling the idea that we can see beyond our solar system when we caneven tell what the black knight in our atmosphere is. I love science fiction!

[@natford8271]

Where is Proxima a?

[@mollieirvine1026]

I could be wrong but I think the star itself counts as the a.

[@christophiluslovingchristb5441]

If we finally discover how to travel faster than light speed and get to Alpha Centauru, then we will probably be able to travel a little further to other systems. We just need to understand the physics.

[@stpfs9281]

Also, how to slow down, when there is so little friction, in almost "empty" space.

[@matthewtopping2061]

Most of this information is over a decade old at this point. Stop trying to repackage old news as hot new findings! Downvoted.

[@janerocha2674]

🎉Thank you very much.

[@Fernando-vb9ti]

Well it all sounds good but you forgot one little thing… We are to stupid spending our time on WAR instead of trying to get out of this Planet 🌍 😊

[@Gregory_Laborde]

“Two were even circling in a triplet.” There is something not right with that sentence.

[@vazap8662]

Fascinating. I'm a little confused though about Proxima Centauri's density... if its diameter is roughly 1/6th that of the sun, that would make its volume roughly 1/216th that of the sun right? Its mass being roughly 1/10th that of the sun, wouldn't that make its density roughly 20x that of the sun and not 40x?

[@danielch6662]

Too much rounding too early. Errors adds up. 100 / 15 = 6.667 ≠ 6 6.667^3 = 296.3 ≠ 216 100 / 12.2 = 8.2 ≠ 10 296.3 / 8.2 = 36.15 ≠ 20

[@vazap8662]

@@danielch6662 yeah that’s right, I forgot the power 3 which enhances rounding errors

[@MaliciDWildman]

@9:23 Why stop at 3000? Why not go to Sunblock 5000?

[@pinchnloaf]

What’s with the billion ads on this video

[@kamakaziozzie3038]

Billions and billions

[@5edate]

*laughs in youtube revanced*

[@abbazabba58]

To put an ad in a KZbin video, you must first invent the universe.

[@RichardStephens-lq3ou]

Hey Alex, will there ever be any study, of the exo planets outside the kyper belt???

[@rolandthethompsongunner64]

Another dead burnt rock orbiting a death star. I’m going to learn to ignore these depressing videos.

[@SirLongHawg]

Wrong

[@thomasridley8675]

"...within a human lifetime." 🤣 Dispite all the implications that go with admitting it's a one way trip.

[@murderedcarrot9684]

Im not willing to say where life can be found and where it cant. When i was young there was many places just here on earth my teachers, confidently, told me life cannot survive here, or there. They were all wrong. Theres an ecosystem of complex life living along the ring of fire when it shouldnt.

[@theothertonydutch]

Mark Zuckerberg, Elon Musk and Stephen Hawking. One of these is not like the others. By which I mean Stephen Hawking was brilliant and Zuck and Musk are just parodies of human beings.

[@stpfs9281]

Alex! You are losing credibility :) 1:32 "Leaving Earth it would take just over four light years to reach the closest known stars to our solar system". A Light Year is a measurement _of distance,_ *not time!* Apart from the fact, that a vehicle would probably have to start decelerating, a long time before reaching the destination, at a slow enough speed, as there is almost no friction in practically "empty" space. Analogy: A car capable of 100mph, doesn't reach the top speed instantly, it needs to start braking _before_ it reaches it's destination, so the average speed, is much lower than full speed.

[@grantmoon624]

Alpha Centauri B will not be a white dwarf at the time it disassociates.

[@australien6611]

Im pretty sure voyager isnt halfway to proxima centauri as the graphic suggests

[@Edmund_Mallory_Hardgrove]

What can we draw from this? Milroe IS NOT a first round draft pick. The guy can't go through reads. Check one, Check two, (miss wide open receiver because he's check three) get happy feet.

[@MichaelEilers]

So, the Alpha Centauri system is actually a solution to the three body problem?

[@kruksog]

That is not what is meant by "solution to the three body problem." The alpha centauri system is an example of the kind of situation described by the three body problem, but there is no closed-form solution to the three body problem, meaning there is no mathematical expression which can predict the orbits of masses in such a configuration (at least one not in terms of derivatives, which is covered by "closed-form," I just want to be very clear.) So this is not a solution to the three body problem, but an example of the situation described by the three body problem.

[@markshillaw3536]

⁠@@kruksogwow I couldn’t have explained that better myself you must have a high IQ well delivered

[@poruatokin]

The Alpha Centauri system is not a true three body system. You have two relatively close stars that orbit a common center, and you have Proxima Centauri that orbits the same common center so far out that it does not significantly influence the two main stars. The result is a stable system.

[@riccello]

Why mention zuckerberg in the same sentence with Elon Musk, let alone Stephen Hawking?

[@juanfrainsane]

TLDR: The universe is quite big 😅

[@deadonarrival909]

28:31 nope sorry can't imagine that 😅

[@superbaddctv]

Is this B.S. or real? Someone please let me know before the advertisements end... I don't want to waste time

[@ekscalybur]

Mass 12.2% Diameter 15% Density 40 times? it's mass to size ratio is less than the Sun, but is orders of magnitude more dense? Fucking how?

[@eyedentity1849]

Is this channel AI?

[@dompennypacker4491]

15:19 if it does exist, yet we still cannot find Nibiru a.k.a. planet x

[@rodgunn2621]

If there is an Earth 2.0, there's no point trying to get there. We're already there.

[@thedude9999]

This is the most close minded approach to space travel I’ve ever seen. You act like you speak for humans everywhere, but you don’t understand our nature. We love exploring, we have always explored new places. It’s not going to stop. Mankind is not lazy, instead we strive to break boundaries, whether it’s sailing across the Atlantic, or putting a dozen men on the moon. We are a working species, we find joy in what we create and what we accomplish.

[@noahbrown4388]

​@@thedude9999Lay off the star trek tng. We ain't going nowhere unless we find a way around our current understanding of physics. Hint: highly unlikely

[@rodgunn2621]

@@thedude9999 Are you 12?

[@thedude9999]

@@rodgunn2621 if you have to insult someone because you can’t counter their argument than you’re the immature one

[@Tjalie-j6i]

​@rodgunn2621 He's @thedude9999 got you there m8 ;).

[@MaySinMelodyBox]

Possible deep underground but above the surface for us it wouldn't work. Other life however is yet unknown.

[@DudeAutonomy]

Probably not a lot of conversing from Mr. Hawking…. unless you have an ouija board.

[@paulbennett772]

The light year is a unit of distance: expressions such as "it would take 4 light years" are therefore ridiculous. Admittedly, this is unusual for this channel.

[@Toeken42]

Bless everything you and your channels bring to us all. Many many thanks to everyone involved in all the time and effort it takes to get us information. Love from Canada!

[@bicivelo]

“Just 4 light years away” That’s 2.351 x 10 to the 13th power miles away! 😅😅

[@cwwiss1]

Or 400 times the age of the universe if you were walking.

[@Mysteryp7]

Its the planet x. Nibiru!!! Deadly to us

[@lurkmoar3926]

36:13 Alex, I love your videos in content and style, but there is 👉no excuse👈 for not knowing how to pronounce "Nobel". The accent is on the second syllable.

[@johnbaughman8816]

Clickbait. 4 light years is not just out side our solar system .

[@PoorMansChemist]

Proxima is the single most boring star in the sky. Period. And nothing will be able to live around it. I want to know more about the other two stars in the a-Centauri system that aren't completely worthless.

[@chesterfieldthe3rd929]

😢

[@MarkSmith-zg5hq]

Proxima system planets are only good for mining.

[@Kel-d7v]

Five commercials in 25 minutes!? No thanks. 👎

[@seanmanzanares438]

Watch on your browser not the app. No commercials that way.

[@jackedavocado8689]

If we scale the distances from earth to the moon down to 1,3 cm and voyager1 a football pitch distance away ... Alpha Centauri will roughly be 202 km away. It will take voyager1 70,000+ years to reach there. Imagine how much can happend in that time... perhaps we will invent a new propulsion technology which would eventually catch up to voyager1 and overtake it.

[@cwwiss1]

and voyager has been travelling at 10 miles a second for over 40 years and still isn't even one light day away !

[@kennethfisher7013]

I'm assuming that you know Voyager is not heading towards Alpha Centauri but to Gliese 445. Voyager speed 17.08 km/s and Gliese speed 119 km/s toward voyager. Alpha Centauri is approaching our solar system at 22.4 km/s. Cody's Lab did a video 7 years ago where he makes a scale model of the distance to the nearest star. Sun on the goal line of a US football field Pluto about 10 yards from the opposite goal line and Proxima Centauri 202 kms. away.

[@ginnygin7141]

Well if the odds are astronomical then it makes perfect sense it'd be happening in outer space yeah?

[@KiNgSaRcAsMoNe]

So, and I’ll quote you here, Nibiru about to hit, is that what you are saying?

[@pa5287]

well that great to know 6:21

[@davidwischer3684]

I would appreciate a science based channel to at least use the correct pronunciation of zero (naught) instead of pronouncing it as the letter ‘o’!!! I am dumbfounded how this has spread so widely as it is impossible that a number is actually a letter. Maths or computers use zeros. Go figure???!!!

[@DypoMage]

Don't mention Zhuckerberg and Musk in the same sentence as Hawking!

[@roybatty2030]

It’s a park and ride place for the aliens visiting earth

[@delveling]

3 body problem ?

[@ThePOSM]

Funfact: Jupiter is in a binary orbit with our sun - it doesn't orbit the sun, like how it's represented on the solar system illustrations. 😜

[@thedude9999]

Just like every single thing out there, it orbits the center of gravity Center of mass*

[@ThePOSM]

@thedude9999 of course, however: the rest of the planets do in fact orbit the suns gravity, (minus sedna etc) - so your statement doesn't really relate correctly to what I was talking about

[@thedude9999]

@@ThePOSM are you talking about the barycenter being outside the sun?

[@thedude9999]

@@ThePOSM what does Sedna orbit

[@thedude9999]

@@ThePOSM I’m not trying to sound smarter than you I’m just genuinely curious

[@rebeccabasiel1509]

Breakthrough Longshot… 😂

[@bouncerslabrealnature9143]

And? You tell this as if the intelligent people of Earth don't already know everything you are repeating...😂😂 Yes, you are repeating our words and experiences.

[@MarksGamePlayPage]

18:35 31:58 Fire up the Enterprise! Star Trek lives! Call Capt Kirk!

[@joshDilley1]

I love teegarden B it's my favorite exoplanet, and I want to buy property there. I wish there were more studies done on this exoplanet. #terminatorzones #yolo #teegardenb ESI rating of .90 to .97 ?? Crazy similarities to EARTH 🌎..

[@paulcoverdale8312]

Probably Aldaron!😂😂😂

[@gota12pointr]

30:24 I wonder if having a pool and swimming in zero gravity for exercise would be a good way to keep our strength.

[@AdrianCarlisle]

All the 👽are just really tan on that planet 🏝️😊

[@leslie1526]

Nothing to see here, moving along

[@steveyoungwork]

Your making the assertion that earth like planets exists though current scientific knowledge and theory confirms that they probability don't. That's wishful thinking.

[@kwgm8578]

Alex, consider the physiological aspects. Our heart must work twice as hard to perfuse our brain. Muscle action pumps venous blood back to the heart and lungs with passive muscle action. Can our muscles do this in 2G? How do we know? Even our molecular actions have been born of a 1G planet. Is the electric force of covalent or ionic bonding strong enough to overcome a 2G field? What about our molecular engines -- dynein that walk along the microtubules of our cells, carrying essential nutrients do so at 1 G. Will they walk uphill against a stronger gravitational field? How about tw o other well studied transport proteins -- kinesin-1 and myosin V. We've studied physiological disease for hundreds of years at 1 G. Space medicine is a new field. We just scratched the surface of what's feasible in 1G. The time to study these essential functions of humans. We have work to do. physiology is now.

[@godalseif]

My disappointment is immeasurable and my day is ruined

[@SirLongHawg]

Ruh roh

[@ThomaskellySr.]

Hawking died in 2018 , so how can you say that this spikes his interest?

[@loadmastergod1961]

We need to just focus on heading to 4546b. Already proven tgat it can support human life.