What If the Sun Was a Blue Star?
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- čas přidán 28. 06. 2024
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Sunlight contains all colors of the rainbow, but what if we cranked up the blue light in our Sun, making it look like a blue star to us on Earth? How hot would a blue Sun be? Could Earth life even survive? And would a blue Sun cook you instantly?
Transcript and sources: whatifshow.com/what-if-the-su...
00:00 Blue Sun
00:44 Sunlight
02:05 Thanks, Masterworks!
03:18 Rigel
04:06 Eta Carinae
05:16 Radiation
06:17 Environment
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#WhatIf #BlueStar #Astronomy - Věda a technologie
Something I’d personally find fascinating is if you could include what would have to change for us to survive this theoretical scenario; for instance, if our sun were twice as hot but the earth were as far away as Jupiter would the earth be okay, or is there no habitable done around a blue star?
Interesting thought.
@@WhatIfScienceShow if you add Indonesian subtitles, your channel will definitely increase in viewers....!
There would be a habitable zone, but much, MUCH further away. It would actually be quite interesting to look at, I think.
Basically if you made the Sun twice as massive it becomes an A type star like Sirius which shines with the brightness of 25x solar and the habitable zone moves out to 4-8 AU, between Jupiter and Saturn orbit around the Sun.
Luminosity increases greatly with mass.
@@WhatIfScienceShow could be made into a video
These are the type of topics that i love to see on this channel.
Thank you, stay tuned for more!
@@WhatIfScienceShow you're welcome 💫
by What If
What If you was a Blue Star
Sun
I think it would look so cool but we would definitely die 😭😭 we can’t even handle the increased temperatures now lol
What if you actually lived in the hottest place on Earth? - czcams.com/video/6wNJfcDW95E/video.html
@@WhatIfScienceShow death
@@WhatIfScienceShow we would all die.
@@justadrawing duh!
@@Kaeya922 lol
Ok, it's cool that you just swapped our sun with the blue star. But what if Earth was in its habitable zone of the blue star?
Pretty sure that's already been covered in a way past video, it is possible to support life. (Hypothetically.)
We would be safer from solar storms
The habitable zone is in TG's orbit btw.
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Nice
Fun fact: when the sun rises on mars the sun color is blue on mars
Ahhh, more death, destruction, and mayhem from one of my favourite channels. Good job, What If--you've made my evening.
How far would the Earth need to be from a blue star to be able to orbit it?
Yet still be habitible!
Prob mars orbit
@@Contemplatingspider Nope. Try Pluto's orbit. And we'd still die from the UV.
@@singletona082 bro we would die just from being In plutos orbit 😑
Good question
This channel is amazing, thanks to you I started developing a passion for science! Thank you so much! 💙💙💙
We are very thankful for your comment!
@@WhatIfScienceShow You're welcome! Keep up the great work :)))
Amen brother
@@Henry2412k it starts with
Yeah Mr. White science!
I would have preferred you dive deeper on things like how far earth need to be to be habitable (if ever) and what the world would look like at that increased distance, not just make the sun magically blue while everything else stays equal.
Simple maths. Brightness (Total) of the star compared to Sun, then u square root it will give u the distance multiplier need to be placed away. A star 100 times brighter than Sun will require Earth too be place 10 AU away (or 10 times)
Whenever he says thousands of degrees keep in mind that thousands kelvin. Tens of millions of degrees. Something that’s pretty cool about these massive stars are their planets. Because the suns are so massive, any planet that’s within the habitable zone of its solar system would experience seasons lasting hundreds to thousands of years. In other words. Winter lasts 1,000 years, 1000 year spring, 1000 year summer and fall. Pretty incredible and any life living on such a planet would need to be studied like no other considering the length of seasons.
For a star like Rigel, the Earth place at its habitable zone will take around 350 years for each season.
You do not understand the Kelvin temperature scale. 0 Kelvin is -273°C. You only need to add 273 degrees to get it in Celsius. Which makes no difference when we're talking about thousands of millions of degrees temperature.
What if we turn Mars and the Moon like earth?
He did that already lol
It would be more interesting (for me) if mars replaced the moon or if mars orbited earth
Death
We'd destroy it, kill each other, form religion and find another place to screw up.
Here you go: czcams.com/video/2M5cavBR5Zc/video.html
Video Idea: what if you grew up on Pluto?
Around a blue Sun, a life sustaining Earth would need to be farther away. Like, somewhere between the asteroid belt and Uranus to have an acceptable surface temperature... For the lower end. Farther than the orbit of Pluto for the higher end. The orbits of the planets would need to get enlarged to match the star.
Stars types are O B A F G K and M. (there was a time when there was also an N type, but it have been made redundant to the M type)
Our Sun is a G type star. O and B type stars mostly don't live long enough for life to appear. A type stars may not live enough for complex life to evolve. F, G and K type stars can see complex life evolve.
Interesting.. Are the star types ranked by mass or power?
@@justadrawing By colour, or more precisely, by spectral class. This also directly relate to the surface temperature, and indirectly to the mass.
The types are : O B A F G K M
G type stars are effectively white.
O B A and F are blue or bluish. K type are yellow and orange and M types are red.
There was an N type (dark red), but that class is no longer used.
Then, each types is subdivided into 10 sub-classes. Our Sun is of type G4. Type G5 to G9 get progressively yellow. Type G0 to G3 have barely a very slight bluish cast, but not enough to be discernible without a spectroscope.
F types are bluish white.
O types are frankly blue, VERY hot, very heavy and very short lived.
@@Kualinar thanks for the info! :D
@@Kualinar the Sun is actually a G2 star not G4.
And for a W Type (Wolf-Rayet) Star as hot as WR 102, the habitable zone would probably be at Sedna’s orbit, or even beyond it. Probably at the predicted orbit of Planet 9.
Thanks for showing a fraction of the movie Sunshine. It's like a ritual to me watching the crew watching the sun haha.
"if our sun was hot"
Such harsh words to say to a child.
2:03 I guess there’s our answer. If the sun were blue, we’d all fry up and die!
I've never been so early before😅 Interesting video as always. Keep up the good work 👏
Not only stars like Eta Carinae and Westerhout 49-2 (at 250 Solar Masses perhaps the heaviest known star) emits a lot of UVs, but they're so hot, they might even arrive to emit X-Rays. The Habitable Zone for that kind of monsters might be as far as about one Light-Year from their surface!
Those stars probably have the power to emit long wave gamma rays.
C’mon What If. I was JUST searching for videos about blue stars and planetary systems this morning! I had to double check to see if this popping up was algorithm, or a subscription notification for a new video. And it was the latter. TL;DR you guys are secretly wizards, apparently? And you rock.
I really love the way he makes things interesting and the way he speaks. I love the content too and other than any astronomy/sci channel, i only follow this because not only how he speaks but the content in it is to the point and the way he begins the video. I really love this channel. Could you pls make a video on the theory of relativity?? I would love to understand the theory of relativity. :))
Exactly! Cheers 🥂
Great content! This got me wondering about different possibilities.
Thank you for your support!
@@WhatIfScienceShow the man himself.
@@WhatIfScienceShow I have a question why are some supergiant bigger than hyper giants?
@@WhatIfScienceShow What if we lived on an Ice Giant?
"What if the Sun was a blue Star?"
Short answer: "We're all gonna die."
Long answer: What? You are still searching for a different answer?
Okay...
If you say so.
First off, Light-Blue is known to be the hottest kind of star temperature there is.
Now, keep in mind that our Sun is a Yellow Dwarf. Which Is basically way off the Light-Blue star temperature.
Imagine that same kind of Sun blasting off it's heat to our poor solar system.
Same thing. We're all gonna die!
P.S: i don't think you'll need to read this one because the video is about it already.
😱😱😩☠
Here's one I've wondered. What if a random planet in our solar system exoded. How would it affect us?
I remember when i was younger I used to watch a lot of these videos and I was very interested in space (still am but don't watch as much stuff about it) I was excited when i got geography in school for the first time cause I thought there would be some stuff about space which there isn't smh at least now i understand physics if only younger me was more interested in chemistry related things
Could you do: „What if Pangea was still there & never broke into the continents that we know now?“ How would life be?
This has already been made. You can watch it here: czcams.com/video/7leF_6u4ohI/video.html
@@WhatIfScienceShow Thank you!
Id really like to see videos such as "what if we lived on one of Jupiters moons". 👍👍
what if endings are always mind blowing
hats off to you man
I remember I requested this video. Don't know if that's why it was made or not, but thanks what if!
Even as the yellow dwarf star it is, our sun will begin the process of scorching the earth and rendering it lifeless within another billion years as its intensity increases.
Superman would be even stronger 💪
Yes sir😎
@@randy1189 stop tryna be diff bro 🤦🏽
@@randy1189 You don’t have a childhood 😭
Ridiculously Strong!
@@randy1189 how do you not know who superman is this has to be a joke
"What if we were in the habitable zone of a blue star?" You COMPLETELY jumped that part didn't you?
🔥🔥🔥 These fires came while listening 🎧...
Did somebody mentioned Eta Carinae ? I really really wish that I would be able to witness its hypernova ... Well too bad that's impossible ... if earth and humanity still exists after at least 100000 years from now.... then maybe my descendants will be able to watch that for me
Wait sir did it happen recently?
@@bombyo3634 no ... because if it happened then we'll be able to see it with ease....with no telescope ...just our eyes
@@daoudkhalil908 thats awesome of possible sir
What if we were set back far enough to make up for size, radiation and energy output difference?
I'm loving how buddy describes the effects 😂😂😏
I’ve seen this in 2024 , and I actually like this channel . It’s pretty interesting and I have been actually watching for a lil while into 2024 ! I’m been getting into more space things . Thanks
I have been requesting for this for so long......
*What if we had no mountains* 🏔️🌄
I badly wanna know 🙏
That's an interesting suggestion. Thank you for sharing it with us! 🙂
Love what if videos
Thank you for your support! 🙂
What I'd like to know is what would happen if it's sun was a blue star, but we were in the Goldie locks zone for three new star. Good video but no offense everything you said was assuming we were the same distance that we are now but with it replaced by a blue sun. Of coarse we'd burn up. If we moved just a small amount close to our existing sub we'd burn up lol
your vids help me fall asleep
you're saving my ass from being tired in the morning
thank u
The sun is actually 5000 degrees but lightning is 5× hotter then the sun. Can you make a video about what if lightning is hotter?
That's only the surface of the sun, not the entire sun
What if Sun was a blue star and if we had moved Earth to the habitable zone of it?
That should be the title
The earth would probably have to be at pluto’s orbit if not further
Years would be half a millennia long
Do you mean 500 years of orbital period?
very cool I loved the Narrator how explains it about the our sun
Pretty interesting concept!🦋
Awesome
Thanks!
Our Sun orbits around a blue star Alcyone, its a 26 million years orbit. Sun doesn't directly orbit galactic core. See "Gareth Samuel: Seeing Precession Differently" video.
Oh wow Quite fascinating indeed!!
Uh huh, sure it does. 🙄
Thank u for answering my question ❤❤❤❤❤❤
This channel is perfection
What If Our Sun was a Red Dwarf (M-Type Star)
What If Our Sun was an Orange Dwarf (K-Type Star)
K type would be a fun thought experiment.
Russia is gonna get destroyed
I think blue fires are hotter like on your stove. Because the fire is getting a lot of oxygen in a very effective way
You're correct in that the blue is caused from higher temperature, but give nstars generate their power by fusion rather than chemical combustion? The blue fire is simply due to everything being under more pressure thsu burning hotter.
Thundarr the Barbarian intro provides a good one. What If a rouge planet flew fast between the Earth and Moon orbits?
4:24 Eta Carinae is so hot, it makes our sun seem like nothing.
Idea: What if a tsunami hit a volcano?
What if we sent one of a pair of entangled particles into a black hole and observed the other entangled particle, could we get information from beyond the black hole event horizon?
No. At the event horizon virtual particles appear in pairs of matter-antimatter particles. One gets pulled in the black hole and the other escapes as Hawking Radiation. So the same thing will happen to entangled particles. The one that's in the blackhole is gone forever and the other just escapes as energy in the form of Hawking Radiation..
Its Soo Interesting channal! I love watching these amazing videos!
Who needs science in school when we have this guy
then we all become Avatars friends lol
I don't know about the size, but I thought a blue sun is a newborn. But then again I got that from Blue Lanterns in Green Lantern comics who have the power to de-age suns.
Life on earth will die if the sun was blue star
What If the Sun Was a Blue Star?
The Sun: I'm blue da ba dee dabba da-ee
What if the Sun was a Red Star?
IT IS
@@Perfectpaintings it’s actually a yellow-white
@@Perfectpaintings it's not it's pale yellow
We'd freeze😂
People from the future:💀
Here we go another What IF video just as I was about to go to bed
2022: that's another one for apocalypse bingo!
Just use blue sunglasses
POV:”you just watched this and realized this is more interesting than school studying”
"What if the sun was blue?"
Me: earth would have free blue string ligths but brigther and better
Y am I so addicted to this channel
0:04 It's funny how you said "billions of years in the future", yet the plane flying by in this clip is a Lockheed constellation which are very very old, like they flew as passenger airliners before passenger jetliners even existed
The Methuselah Star is the blue star which is the hottest and the temperature reaches about 50,000 Kelvin which has 100,000 times the mass that of our sun. This star was formed 13.8 billion years ago during the Early Star Formation and Big Bang. The Methuselah Star comes from the constellation Aquarius which is a blue hypergiant star. Kaus Australis or Alpha Aquarii is also a blue giant star from the constellation Aquarius, Sirius or Alpha Eridani is also the brightest blue star in the constellation Eridanus, In 100,000 years into the future, Sirius will go hypernova, Rigel is also the brightest O-type star from the constellation Pegasus. 1 million years into the future, Rigel will suddenly go supernova. So if the sun is a blue star, this will be not good, Earth's surface would be burnt and ocean would suddenly evaporated.
Best explanation of heat color was a flame. Hottest towards the wick. So blue headlights don't last long as filament burns hotter. Color same with anything. Candle flame to a star😊
props to the camera man for making the sun blue for this video!!
5:40 JESSE, WE NEED TO SURVIVE THIS IMMENSE RADIATION
There are multiple forms of fire. The way I was taught was...
Red/Orange/Yellow - weakest
Blue - Second Strongest
White - Strongest
I have heard differently over the years. White fire is the 2nd strongest. A list I found was...
Coolest-- Red
Orange
Yellow
White
Hottest-- Blue
We never been to these planets. Yet we have so much info. Somethings seems off. Great info though
"Oh and also you'd get fried instantly"
The way he said that so calmly threw me off 💀
I love your videos I subbed and turned on notifications
Your thumbnail always gets me
"But The Sun Is... BLUE!"
"And I'm Green!"
A blue Sun would fry our Earth and possibly vaporize it.
Yes I'm watching this at 3AM, wondering if we had a blue star as our sun.
Could you make a what if video about what would happen if the James Webb space telescope were to crash to earth at light speed ?
If we're talking about Something crashing with light speed, I think u know the answer bud🥲....
You know what Mister?! Nothing... And I say nothing can beat my grandfather 😂😂😂😂😂
Fascinating gust amazing
People in other universe:
*What If the Sun was a Yellow Star?*
Favourite channel ✨
Blue is my favourite colour so this is cool
My only issue with the blue light bad affects is, that’s only true at night, but you won’t have to worry about blue light at night, at day time it’s whatever
one thing I've learned about space and the universe is one minor change near us and we die.
I love this 😻😻😻
as cool as blue stars are, they burn the hottest if I am not mistaken and they also don't last very long compared to our star or other stars
I can't understand but science is very interesting 😃
I've never heard Eta Carinae pronounced that way, thanks
What does the UV radiation have to do with the temperature upgrade? Does the heat somehow destroy the ozone layer or something?
"what if"
"what if your dad come back?"
"will he be have the milk?"
"will be happy to see you?"
"will the family will be completed?"
"this is what if"
"and here's would happen"
"if your dad come back"
I love this channel!!! It is very educational and teaches kids and some adults a lot.
But when you have influence that you have over so many, it is very important that you get a lot of what you teach right. The reason I say this, for years and years going back to when I was in elementary school. Teachers are teaching kids that the sun is Yellow. I can't tell you how many people that still believe this today, with all the knowledge that is on the internet. Our home star that we call the Sun, it is actually white and if we could look up when the sun is at its highest point in the sky, you wouldn't see yellow, red or even orange. This is because our sun is white and at the highest point in the sky, not much light is scattered like it is on the horizon. The blue light from the sun is scattered all across the atmosphere and this is why we have a blue sky.
Anyway the more you know is the best teaching spell of all.
They stated that it is actually white though.
Nice LCARS screen in the background
I love ads in your video more than your video itself.
Here in Greece its 10:00 PM
If the sun was a blue star than it would probably need to be 5x far away than it is now for us to survive