The Fabric of Spacetime with Neil deGrasse Tyson - Cosmic Queries

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Is it time to rethink string theory? Neil deGrasse Tyson and comedian Chuck Nice explore a mix of questions about the fundamental properties of the universe, particles, the speed of light and more!
Could we someday observe particles without smashing them? We take a question from a particle pacifist as well as discover why clouds stay up. Is everything actually floating? We discuss the mystery of electrons: how small are they really? We explore JWST and ponder the problem of primordial galaxies. What does this discovery change about our understanding of the universe?
Is space an emergent property of the universe and not fundamental? Find out how quantum entanglement may weave the fabric of spacetime and why it may be time to rethink string theory. We discuss time dilation while traveling to Mars, what to do when you have an untestable hypothesis, and how Einstein tested the equivalence principle.
Why are photons always moving at the speed of light? What is time like at the speed of light? Learn about the solar neutrino problem and how neutrinos decay. We also explore the dimensionality of parallel lines and how they can, in fact, intersect. All that and more on a another Grab Bag Cosmic Queries!
Thanks to our Patrons Jagan, Stephen Abraham, Dalton Gordon, Brent C, Alexander Miller, t K, and Bob Morrison for supporting us this week.
NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free.
About the prints that flank Neil in this video:
"Black Swan” & "White Swan" limited edition serigraph prints by Coast Salish artist Jane Kwatleematt Marston. For more information about this artist and her work, visit Inuit Gallery of Vancouver. inuit.com/
Get the NEW Cosmic Queries book (5/5 ⭐s on Amazon!): amzn.to/3dYIEQF
Support us on Patreon: / startalkradio
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About StarTalk:
Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!
#StarTalk #neildegrassetyson
00:00 - Grab Bag Time
00:45 - Could We Observe Particles Intact Without Particle Accelerators?
3:50 - If Gravity Pulls Everything Down, How Do Clouds Stay Up?
09:54 - Is “Particle” a Placeholder Name?
12:50 - Could JWSTs Primordial Galaxies be a Window Into Another Universe?
18:35 - Why Do We Think Space Is Emergent and Not Fundamental?
24:55 - Time Dilation & Traveling to Mars
28:54 - If String Theory is so Unprovable, Why Are We Still Trying to Prove It?
37:32 - If a Photon is a Particle, Can't it Just Sit Still? Why is it Always Moving at the Speed of Light?
42:37 - Parallel Lines in the Fourth Dimension

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18 июн 2024

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Комментарии : 1 тыс.

@StarTalk Год назад

What are your thoughts on string theory? Is it still worth trying to prove it, or should we refocus our efforts on other scientific questions?

@popbigdaddy9422 Год назад

Why not do everything at once?

@genericusername5909 Год назад

Some of the surreal suggestions from string theory kind of upset me. Like calculating the pattern on Russell’s teapot and debating who is right with a captive audience

@MorallyResponsible Год назад

Consciousness can only be experienced. For example, if you had a tooth pain. Million Scientists with their Test tube(Deduction/induction via empiricism) can tell you there is no evidence of tooth pain. You will reject their scientific method because you are having direct experience of this pain. I have direct experience of existence. All i know with certainty is my experience ("Cogito Ergo Sum"). I know with certainty that this existence can only come from pre-existing Self-Sufficient/Perfect Existence(Allah the most Exalted).You have a direct proof of Allah(one/indivisible/self-sufficient/All-loving/unique) with every waking moment through direct experience of life. Once liberalism is replaced by the law of Quran/Sunnah all of the "strings" will come together in harmony/peace/justice and most importantly mercy.

@MizanHIT Год назад

this lapses

@michaelstary3463 Год назад

isn't everything just energy vibrating at at its own specific frequency? Everything must have a specific wave form... which makes that object unique. Sound (frequency) passing through a glass sphere filled with water will create light at the center of the sphere. The ingredients are a perfect sphere, water (waves) and sound. (frequency) achieving light speed could just be a matter of finding the correct frequency... and vibrating in one spot at that specific frequency.

@williamdeangellodavis2224 Год назад

Never take chuck off the show😭I’m begging you guys 🙏🏾🌼

@MrMitchbow 2 месяца назад

He’s the everyman competing at the Olympics for reference

@Kojdo-AdwoaXaquayza-xd3sg 2 месяца назад

What if chucks wants to go out and do other stuff? It'd be sad but sometimes it happens. And it'd happen not because chuck hates this but sometimes people just wanna go out and do something new.

@syedajwad6979 Месяц назад

I hope I didn't find that Episode where there is no chuck. I think in almost all episodes chuck is present ❤

@r4v4g3r Месяц назад

Reverse psychology, eh? I like your style.

@themusicbook8679 Месяц назад

This comment cant get enough Likes. Chucks is PERFECT for this show, perfect for Neil and perfect to keep people interested. Rock on Chuck!

@joseimpact Год назад

startalk literally makes my day better instantly

@petercorcoran2702 Год назад

Mee. Too. !

@jdonehew Год назад

Agree.

@GizzyDillespee Год назад

For me, it takes a few moments for it to kick in. But I'm much denser than air

@adrieldelgado4523 Год назад

Same man

@davidsasse40 Год назад

Not instantly, at the speed of light and sound!

@GEEK-3 Год назад

Neil and Chuck are National Treasures, please never stop making these videos

@nicolau2 Год назад

This is a Cosmic* treasure

@gorillafacewastaken Год назад

Ey, don't forget Chuck

@GEEK-3 Год назад

@@gorillafacewastaken updated it brother, thanks for the correction

@gorillafacewastaken Год назад

@@GEEK-3 Perfect👍

@StarTalk Год назад

If you insist!

@alexaales7937 Год назад

i really like the fact that Neil considers himself my personal astro physicist. thank you for that, Neil, you've got the job any day of my life! much love from Germany!

@lemongavine Год назад

Great comment!

@alexaales7937 Год назад

@Conon the Binarian⚧ danke für den tip, werde ich machen 🙂

@duanemorgan8065 Год назад

Somedays I have to rewatch the shows at least three times to grasp most of what Neil was saying, God bless you Chuck don’t know how you keep up with Neil so easily

@Sinner119 Год назад

right! some people make fun of chuck but I know damn well I wouldn't be able to keep up! I know what I know and that's public health/polotics, not astro physics lol

@timhyatt9185 Год назад

check is there to be our "everyman" point of view.... (he's also my favorite co-host by far!!) I'd love to have both of them sitting around a campfire or quiet bar table sharing a drink, and ask them about what fascinates them in science...

@user-tc1fw5ms5s Год назад

Me: New episode of ST - YES!! Cosmic Query Edition - YES!! My cohost Chuck Nice - YES!!!!!!! Its a guaranteed banger

@dawnhansen7886 Год назад

100 % Agree ❕️

@chrisnel813 Год назад

Love this show, love his teaching style, whereas if every teacher possessed his ability to engage i would be a lifetime willing learner.

@morbidmanmusic Год назад

Law of averages says most teachers do. ..

@maniacslap1623 3 месяца назад

I would definitely advocate for these videos in the classroom. These two together really make it easy to engage.

@crewrangergaming9582 Год назад

the moment Chuck figures out Neutrinos don't travel at the speed of light. Damn man!! Love his energy and enthusiasm.

@rangerCG Год назад

Thanks for answering my question about particles guys!!! That's an amazing answer! My wife and I were listening to the show in the car and when Chuck read my name, which we weren't expecting at all, we were just listening to an episode of Startalk, we looked at each other and freaked out😂😂😂

@MonicaRanger Год назад

This is true.☺💋

@rangerCG Год назад

@@MonicaRanger😘😉😉

@DrDeuteron Год назад

1) timestamp? 2) get a room already!

@tylerlormand5644 9 месяцев назад

awe sit down that wasnt you

@TheFlyingstop Год назад

My brain hurts. I'll have to watch it again and again and again ….. No gain without any pain. Thanks guys loving it.

@nathanrussell2158 8 месяцев назад

I’m sure I could watch this all day and forget to sleep.

@PrestonSmithsMusic Год назад

That was great, thanks guys! Keep up the fantastic work! I LOVED those questions. The answers were amazing, well delivered, and I appreciate Doctor Chuck's childlike wonder on many of those! Cheers!

@vikineo 11 месяцев назад

This series needs like a billion views. Extremely interesting

@billbaker9623 Год назад

Thank you gentlemen for another educational and entertaining episode. Chuck, the Cajun chef to whom you refer is probably Justin Wilson. He was indeed on PBS back in the days when dinosaurs walked the earth (I know because I too was there) and was also entertaining and educational in all manner of food.

@shanoukgaming6763 Год назад

Yes he's definitely talking about Justin Williams I garunnnnnteee.

@rileyshelton2850 Год назад

One cup of wine and as the cup overflows make that one cup heaping.

@billbaker9623 Год назад

@@shanoukgaming6763

@LEDewey_MD Год назад

What an AWESOME episode of StarTalk!! You guys covered everything from String Theory, General Relativity along with the Equivalence Principle, geometry of space-time, why orbits are elipses (and not circles), science of neutrinos and their differences from electrons, evolution of the Universe...(did I miss anything?) You can all go home now having solved all of physics! :D

@mujigikabugi3927 Год назад

Who is here that has realized that Lord Chuck could be taking some lessons/classes in Theoretical physics or experimental physics? Damn, the guy is so sharp nowadays and knowledgeable. Indeed birds that flock together stay together. Kudos Chuck,,,

@joehebert789 Год назад

Wow. What a great episode. I loved these topics.

@B3R34L Год назад

Love these explainers. I learned so much

@skeller61 Год назад

Great episode! One thing you could also say about clouds are that they are made up of very small particles of water, each of which is buoyant enough to follow air currents. However, when these collect together they form drops of rain or snowflakes that are ‘heavy’ enough to be affected by gravity and fall. In cumulonimbus clouds, sometimes the updraft of air is so severe that hail that is falling is sent back up to gain size. That’s why you occasionally hear of ‘softball’ sized hail. The forces in thunderstorms are amazing.

@Maxrepfitgm 6 месяцев назад

You didn't finish...

@BM-su7kc Год назад

After 5 years of star talk, Chuck finally had his PHD in physics.

@nefertariali6378 10 месяцев назад

lmao!! so true

@jasonlaine8449 6 месяцев назад

I think he's a very long way off. He's idiotic. I guess he makes some people feel smart. He tries too hard with his jokes

@MondoLeStraka Год назад

This is one of the best episodes of StarTalk.

@glentorn5362 Год назад

I always check in with Neil for mind-blowing updates. 💥

@Wis_Dom Год назад

37:06 The guy you were referring too is Justin Wilson. The show was called " Louisiana Cookin' " on PBS. My mother and I loved watching his program back in the day and hearing his stories. I hardly knew what he was saying (other than, "I guarONtee"), but my southern mother understood his every word. 🤣

@bentleestarr1575 Год назад

Two of the funniest and intelligent men I’ve ever had the pleasure of watching. Keep up the good work.

@pjg6019 2 месяца назад

Sometimes physics sounds like philosophy

@TheOldHippiebilly 29 дней назад

Hence the term "metaphysics."

@teknophyle1 7 дней назад

pretty sure it literally starts as philosophy until it can be proven with the scientific method

@user-qr8ff8rw8k Год назад

I appreciate all the help time and attention you've both given us as viewers, seriously 😣 without limits for thought. Ty

@blancavazquez1305 Год назад

Justin Wilson was the PBS chef...thank you Chuck for the memories! Grab bag...Gumbo...either way these are so much fun!

@PandasEatBamboo Год назад

My dog passed away today. This was the best 48 minutes I've spent today. Thank you guys for what yall do.

@Gordon_L Год назад

Sorry to hear that . Unfortunately it happens , dogs , other pets , people . Grief is the price of love , as hard as grief is to endure , it's better than a life without love . The grief will fade , the love will endure in memory . Be kind to yourself .

@PandasEatBamboo Год назад

@@Gordon_L Thank you for the kind words, I really needed them. Hope you're having a great day.

@Gordon_L Год назад

@@PandasEatBamboo You're welcome my friend , all the best 🙂

@siroswaldfortitude5346 11 месяцев назад

Particles have rights!

@furrybear7853 Год назад

Times are hard for me right now but wish I was a patron member this channel is by far my favourite! Still fantastic we get most of it free but theres 2 questions I have that I simply cant find any remote answer that comes even close to satisfaction, maybe there isnt any but I know for should if NDT didnt want to even make an attempt! ❤

@Ali-lm7uw Год назад

Try asking gpt 4

@furrybear7853 11 месяцев назад

@@Ali-lm7uw How much does that cost to use, I'm pretty sure it's not free and CBT3 fails miserably to answer both questions satisfactory!?

@masonkeener4778 8 месяцев назад

When I have nothing I still have startalk. It’s a breath of fresh air to see people thinking outside of the boundaries of thought that it feels like we were meant to be trapped in. My brain only feels free during these times. Between thinking about work and my small family this is a light for me and I will be forever great full

@tmrogers87 Год назад

23:13 bro we need a whole episode on this. And get Chuck a blunt. It’ll be your best video!

@pjganguly Год назад

The best thing to start a day with!! Meditative, contemplative and so much fun even for the science layman with a curious mind!! Thanks team Startalk!!

@StarTalk Год назад

You're welcome!

@scholarshipsnmiy7692 Год назад

I LOVE you guys!! I understood so much more with this episode🙌🏼🙌🏼✨✨

@KetogenicGuitars Год назад

Incredible episode! It is much more impactful played at 0.75 speed when you have time to let personal ponder to emerge.

@comparedtowhat2638 Год назад

This is an amazing and wonderful session. That took some real stamina for both of them.

@RupertReynolds1962 Год назад

Archimedes gave us a good theory of buoyancy back in 200-and-something BCE, it seems to me. A very clever and productive human, he was. It seems to me we should be teaching the sciences in schools with historic scientific discoveries such as his, partly because we've had over 2,200 years if scientific observations to show some way in which he was wrong, and that's a good sign of a very successful theory :-)

@linyenchin6773 Год назад

24:09 No, Chuck, you don't mean "sentient" aka "having senses," you mean *Sapient* aka "having sense of self."

@broadcastingbritain Год назад

Love learning for a few hours a day from this guy

@GreenAppelPie Год назад

Dayum what an excellent episode. Great questions, more of these please

@420Khatz Год назад

I love seeing this wholesome, fun, black energy in the context of an educational science video- as well as how you treated each and every question as being just as valid as the next, always entertaining everyone's wonder and curiosity. I laughed a lot and really enjoyed this- you guys rock!

@orilion1820 Год назад

What is "black" energy 🤔

@420Khatz Год назад

@@orilion1820 that energy that tends to arise when black people are in their element, having a great time. I don't know what else to call it but it's not a vibe anyone else but black people can authentically bring- not at all to say that other cultures don't have their own very specific awesome vibes as well. I'm just saying, I love to see it in this context especially when the field is often so dominated by white men with a very serious approach.

@briseboy 11 месяцев назад

An imaginary phenomenon, as a smile tends to light up neurons & minds.

@Ramennoodles008 Год назад

Hi Neil love your videos And they help me learn astronomy

@marks8437 11 месяцев назад

This is a great episode! So many tantalizing topics to tickle my brain, sprinkled with humor that made me rewind multiple times!

@progresssonsgaming 6 месяцев назад

Watching these videos have really helped me because i would wonder a lot of these questions but wouldn’t know who or where to go for some explanation. I’m not sure if i can 100% agree upon all these answers but I sure can relate and just keep learning

@LycterWarlock Год назад

Every time Neil talks about how quantum entanglement works, it sounds like its just travelling through a fourth dimensional pathway we have yet to learn to observe.

@Interloper12 Год назад

The whole neutrino oscillation discussion gets me thinking about the whole possibility that the universe keeps pulling a veil over our eyes to hide the truth from us... big galaxies in the early universe, neutrinos that change so we can't measure the original flavor, the inability to localize electrons. I feel like it's all connected to some elaborately woven conspiracy conjured up by the universe itself.

@DaddyHensei Год назад

It’s the cosmic joke. It’ll give us the build up but not the punch line.

@NotTheEx 11 месяцев назад

The mysteries of God's creation that flesh can neither reveal nor receive.

@richkroberts Год назад

Very enjoyable session today Neil snd Chuck. Great stuff!

@vickieysacoff4249 11 месяцев назад

That information on neutrinos is so cool! Neil always explains things in such an understandable way. 😊

@IWasAlwaysNeverAnywhere Год назад

i learned by no mans sky that its actually faster to rise above the atmosphere to travel somewhere than to travel through it. so it would take longer to fly a jet along the surface of the earth than it would if you went some distance into the sky and then back down again. thats what the game taught me at least idk if thats reality :)

@belkyhernandez8281 Год назад

Wow....Impressed by Chuck's understanding of neutrinos and the relationship to the speed of light.

@nmw_nerk Год назад

Virtual particles linked by wormholes that weave the fabric of space and time blew my mind. And also the beginning of the universe still existing within the 4th dimension of time, the time arcs on the surface of the balloon. Losing sleep on this gumbo for sure.

@ar_badical Год назад

Neil, what happens if you operate a "particular smasher" (LOL) in zero gravity?

@Alfiy_Wolf Год назад

String theory can’t be real if it was all the strings would have snapped carrying humanities issues

@Rocinster Год назад

Is it an american thing to use "of" instead of have? It looks so wrong

@J040PL7 Год назад

@@Rocinster I've seen road man in London using that too 😂

@ginnyjollykidd Год назад

It is wrong. It is "Would have." The pronunciation gets in the way of the meaning. The pronunciation is a contraction: "would've" It is pronounced the same as "would of." That is how we end up with incorrect words. An English teacher these days would probably bury their face in their hands, roll their eyes skyward, and sigh helplessly at the fact that their students refuse to learn any semblance of standard grammar, syntax, spelling, and style.

@johnowens8992 Год назад

Weve never had less

@linyenchin6773 Год назад

Humanity's issues not "humanities issues." The nonsense term "humanities" is a woman(aka vague and useless) term similar to amenities in it being a worthless word for " useful items in a place or situation you are in" but more worthless as it is a super vague reference to "the state of affairs" in cultivating all the avenues of curiosity and general experience that is typical in the human existence. Intellectual males are just females in the bodies of men, they adore obnoxious vagueness and inventing useless terns to reflect their fragments~tangents of retardation or "perspective." So called "humanities" is just one such worthless perspective.

@raymack9201 Год назад

You guys are awesome and so great to watch and listen to.

@gonegahgah Год назад

22:00 minutes in, and doing other stuff at the same time, and I've heard enough of this, thank you.

@ohheyitskevinc Год назад

11:41 - the great courses are really good. Have a couple on Audible, which are sometimes a little odd as I believe they’re videos originally, but still a great listen

@affordablewebsiterescue Год назад

This is one of the best science sessions I've ever heard! Funny too!!!!

@user-tw6my8eb1i 11 месяцев назад

I'm so happy I'm part of a generation that can just turn on thoer phone n search unlimited information..I wished throughout school I had this but having access now keeps me learning something new every single day or several things a day.im excited always to listen to yall n I'm not stuck begging a teacher or getting to a library..which took away so much time that I can now spend wide eyed ears open n soaking this all in.thank you GOD n thank u Neil n others for sharing so much knowledge..we couldn't ask or want 4 more.its the best!

@surfmarine3118 5 месяцев назад

Chuck's deftly tuned wit always enhances Neal's style of delivery. More evidence for the hypothesis that learning new information seems to be more easily achieved while one is in a good mood.

@michaelchristian8220 Месяц назад

I had no idea that we know so much about electrons, but don't know their size.... mind-blown

@munchkinmatt1670 Год назад

This was a WONDERFUL talk!!

@detectivehowardb7 Год назад

Yes the electron bit was nice I'm right there with you Chuck, amazing! thanks Neil

@peronkop 11 месяцев назад

But is it True? Pretty sure I learned a relative size of the electron to the nucleus. Why did that change?

@sunny_senpai 5 месяцев назад

perhaps the best ep yet, all great questions

@Ruy_O Год назад

What a great episode! Thank you!! All the best from Mexico

@IWasAlwaysNeverAnywhere Год назад

so. i think my idea about the double slit experiment is actually correct. when you do the double slit experiment and cause the interference pattern to emerge the photon is actually slowing down through time but in space it becomes unstable and can appear in a random location. it fell beneath the electromagnetic spectrum and all we are left with is evidence the waves which the photon was once surfing on before the experiment "broke down" maybe this is how you explain vaccum energy? idk some random thoughts for ya

@angrybeluga1697 5 месяцев назад

Love this channel! I once had a cosmology teacher like this once and it was great.

@DaellusKnights 6 месяцев назад

Grab Bag Edition is perhaps my absolute favoritest version of this show 😻 not just for the content but also hearing the thoughts and curiosities of people abroad 😺 (and let's be honest... that's when Chuck's at his Chuckiest!) 😹

@BeamMonsterZeus 5 месяцев назад

Chuck deserves to live on this program full-time - I don't care if he can't pronounce names more complex than Mark and Chris, his humor fits perfectly.

@alternavent 5 месяцев назад

I never get tired of this stuff.

@filipmilovanovic8942 Год назад

@Walker Fowland & @Niel - The answer is roughly YES! In 4-dimensional spacetime, gravity causes geodesics to get closer and sometimes intersect (on a sphere, they must intersect because they have nowhere else to go, but there's more room in 4D space for them to miss each other). Gravitating bodies just follow geodesics

@BenjySparky Год назад

Neil and Chuck y'all rock! Peace

@NickHaus683 Год назад

Neil!!!!!! I need a breakthrough from you and this channel.

@garystewart3110 Год назад

@StarTalk I bet you were like you were how you and Bill were Making fun of Rodney in that Stargate Atlantis episode you did. That was super awesome! One of my favorite episodes of that series. : )

@user-bb4wj7lq3t Год назад

Neil, I’m glad you live in my iPad and teach me things while I’m at work.

@ChrisGuthrie Год назад

So @16:45 could that possibly be the JWST performing so well it is seeing what is behind what we perceived as the big bang such as an early universe galaxy from the other side and perhaps looking further past that would reveal a universe similar to ours in the opposite direction? I mean, if a big bang happened, it all didn't just go in one direction, right?

@ekothesilent9456 Год назад

This was the best show in a long time!!!

@cinbro3080 5 месяцев назад

Here we go!!! I Love this stuff and my kids do too. Thank you so much.

@KatoOnTheTrack1 Год назад

@38:01, his response made my day because I came to the same conclusion as he did…I’m learning something 😂😂. Actually learned that from Brian Greene’s book.

@artswri Год назад

One of the best of some great videos, coolest of cool. And Lord Nice is at his erudite best (!)

@quickshoeracer 7 месяцев назад

This is my favorite StarTalk to date! Dunning-kruger for flat-earthers, revaluations about electrons and Niel saying “I didn’t know that”! 🤯 Intelligence is knowing what you know and knowing what you don’t know and these guys display that to wonderful effect

@ameliaburton3426 10 месяцев назад

I love his Great Courses videos

@RichardSmith-pb8qk 11 месяцев назад

Love Startalk. Thank you so much!

@blueskies7357 9 месяцев назад

This episode is amazing! So empty space could be like a field that's powering up everything inside the universe?

@anewman 10 месяцев назад

The lecture series Niel is talking about on the Great Courses is his Inexplicable Universe series. So good I bought the whole series on amazon prime!

@elementalmeditationrelax9675 Год назад

I love your show! So, re: finding fully formed galaxies that were older than thought possible, what if time (and light) travels slower the closer you get to the big bang (thus making the universe much, much older than currently thought) because light was traveling through a much denser medium? Perhaps that would give you the time for galaxies to have formed w/o "disproving" the Big Bang.

@troymosher4877 Год назад

Chuck is back! He's growing on me.

@navigatore2099 6 месяцев назад

What a wisdom... Thank you.

@videoworks5666 Год назад

Great point Neal. If time is not emergent outside repeating motions, then why isn’t vacuum time independent?

@EJKelly 6 месяцев назад

What a great way to learn new stuff..avid fan.

@MeelaudBoozary 5 месяцев назад

Chuck and Neil are the perfect combo

@lennysaturn Год назад

this was an awesome episode

@juliam7056 Год назад

You guys are the BEST !!!

@sassafrasinspired2029 Год назад

Love knowing AstroBoy was your favorite cartoon as a kid - I was crazy about AstroBoy! Also love everything else you say...

@siresbrs Год назад

Bring in Sheldon Cooper to help with that whole String Theory thing!

@curtisplayfieldspellman1442 Год назад

Hello guys first things first i love the show I learn something new everyday… I wanted to know why do we use the phrase sunset and sunrise when the sun doesn’t rise or set?

@ShawnDaGeek Год назад

So could it be possible that expansion beyond visible universe had to happen before the first star / galaxy formations and they just all started forming, reforming, combining slowly from there, so that newer galaxies could exist at distance?

@jvttvj Год назад

Love it!! Is't possible when a star* sending light out and the light (protons) go through a gravity field, you can see the same event twice? in theory of course.

@davidgould9431 11 месяцев назад

Absolutely! And not only in theory: NASA and others have some awesome pictures of very, very distant objects with funny streaks forming rings. It turns out the streaks are multiple images of the same distant object. The light has curved around a galaxy cluster between us and the object to form these multiple images. Google 'gravitational lensing' and 'Einstein rings'.

@wespeakforthetrees 11 месяцев назад

Yes I can distinguish between the two. As I have commented on your videos before, there is a measurable difference. In a gravitational field the inverse square law comes into play. In the rocket it doesn't. Nuf said!