While the blue supergiant R136a1 has more mass than almost any other star scientists have discovered, it is still smaller in size than very old and bloated red supergiants. What is so fundamentally different between these starts that one is so heavy being so small, and other one is so large being relatively less massive. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. What is the temperature of the star R136a1? He also stated that UY Scuti is 1000 light years away from Earth and its light varies according to the distance. 2022 - 2023 Times Mojo - All Rights Reserved it's no match for UY Scuti, currently the largest star known with a diameter around 1,700 times that of the Sun. . R136a1 is the heaviest star, with 265 times the suns mass. It has a radius of around 1,700 times that of the sun. And, again, were talking size here, not mass. IP: 172.67.174.87 ref:Wiki . Its size surpassed previous records held by other large stars such as Betelgeuse, VY Canis Major, and NML Cygni. The radius of VY CMa is very roughly 1,420 times that of the Sun ( R ), which is close to the modelled maximum, the Hayashi limit, a volume nearly 8 billion times that of the Sun.VY Canis Majoris. The margin of error on this measurement is about 192 solar radii. 06-. The maximum age of most of the stars in the R136 cluster is only 2 million years, our sun is already 4.5 billion years old. What did the United States start debating about in regards to Diem? And up until a few years ago, the title of biggest star went to VY Canis Majoris; a red hypergiant star in the Canis Major constellation, located about 5,000 light-years from Earth. Is R136a1 bigger than Uy scuti? When stars start to run out of hydrogen fuel, their cores start to collapse, causing the core of the star to heat up, and heavier elements start to be used as fuel. Miss USA Becomes the First Filipino-American to Win Miss Universe Crown, Has Saudi Arabia Given Death Penalty to Awad Al-Qarni? At an estimated 1,540 times the suns radius, this star is thought to be the largest star in the Large Magellanic Cloud, in terms of sheer physical size. Was there a referendum to join the EEC in 1973. Sign up for our free daily newsletter today! According to Wiki, the size is 2,149.58 times the size of the Sun based on a Stefan-Boltzmann Law calculation. Therefore we Replacing it with any of the bigger stars at the centre of our solar system will result in engulfing and vaporizing as many as first five planets. This close-up of the R136 cluster, taken with the Very Large Telescope at the infrared wavelength of 2.2 microns, reveals a clutch of supermassive stars that includes R136a1. While, as you said, R136a1 will probably expand a bit more as it moves into the luminous blue variable stage (it's currently a nitrogen- and hydrogen-enriched Wolf-Rayet star, which, at its mass, means that it's in the late stages of core hydrogen fusion), it still won't get overly large, and will begin to shrink and heat up again as it sheds more material and becomes a hydrogen-depleted Wolf-Rayet star. The upper part of the range would make it larger than UY Scuti. Also UY Scuti. At ~1,000 times the size of the Sun, Betelgeuse is an impressive star to be sure, but its no match for UY Scuti, currently the largest star known with a diameter around 1,700 times that of the Sun. R136a1 loses 1.6 104 M ( 3.21 1018 kg/s) per year, over a billion times more than the Sun loses, and is expected to have shed about 35 M since its formation. It is in a sense our neighbor, sitting in the Dorado constellation of Milky Ways satellite galaxy the Large Magellanic Cloud. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Another hypergiant star is WOH G64, also in the Large Magellanic Cloud, and thus located at a distance of some 168,000 light years from Earth.30 Jan 2017. A quasi-star compared to many large stars (UY Scuti is not the largest star, and even Stephenson 2-18 is actually smaller than a Quasi Star but Quasi stars are hypothetical, so they are just ideas, and likely not existent). This is exciting space news and worth sharing with more sky watch enthusiasts. There are very heavy stars. It is more likely that R136a1 will evolve over various stages to a Wolf-Rayet-star witha bipolar nebula surrounding it. Astrophysicist Jillian Scudder of University of Sussex posted has said of this star: Mass and physical size dont always correlate for stars, particularly for giant stars. Is Stephenson 2/18 The bigger than UY Scuti? Another hypergiant star is WOH G64, also in the Large Magellanic Cloud, and thus located at a distance of some 168,000 light years from Earth. How old are the Stars in the R136 cluster? R136a1 is not the largest known star in terms of radius or volume, only in mass and luminosity. Although R136a1 is the most massive known star, it is not the largest, since it only stretches about 30 times the radius of our sun. The main factor here being mass loss - the rate at which stars of ~45 or more Solar masses shed material is just too fast for them to expand to a significant degree after leaving the main sequence. How much does a 2 month old Golden Retriever sleep. Though, in the LBV stage the star will probably larger than it is today. If Stephenson 2-18 replaced the Sun in the solar system, its photosphere would extend beyond the orbit of Saturn. But its radius is thought to be something like 1,700 times greater than the radius of the sun. But there are more ways than one to measure stars bigness. The nebula of gas stripped from the star extends even farther out, beyond the orbit of Pluto to 400 times time the Earth-sun distance. Once it starts burning helium, this gets extreme. The largest star Some would say the largest object in the universe is UY Scuti, the largest known star. Carlos Ann & KOOL A.D.) UY Scuti - Largest Star in the Universe - UY Scuti Vs Sun; SIRLAR ICHIDA QOLGAN UY; PAGSURE UY! Interestingly, these two stars also have diameters around 1,500 times more than the Sun's. R136a1, according to the mass, is the largest star which is 160,000 light years from Earth in the Large Magellanic Cloud, a small galaxy that orbits the Milky Way. Mass production Measuring the mass of R136a1 was not straightforward. This means that the core of the star is hotter and producing more energy. Although R136a1 is the most massive known star, it is not the largest, since it only stretches about 30 times the radius of our sun. We also use third-party cookies that help us analyze and understand how you use this website. Bottom line: The most massive star known is R136a1, in the Large Magellanic Cloud. Cover everything up to Uranus in our solar system it was in this particular location. UY Scuti - Wikipedia R136a1 is a young star, yet it probably won't grow as large as UY Scuti, because stars of such extreme mass are very unstable and short living. From Simple English Wikipedia, the free encyclopedia Size comparison of stars. is r136a1 bigger than uy scuti <p>It is 1700 times bigger than the Sun and it's mass 30 times Heavier than our Sun. 30-. The largest known star is UY Scuti, a hypergiant with a radius somewhere around 1,700 times larger than the sun . Left to right: a red dwarf, the Sun, a blue dwarf, and R136a1. In 2022only a few years from nowan odd type of exploding star called a red nova will appear in our skies in 2022. Other contenders. Is there any star larger than UY Scuti? Are flights to Gran Canaria still flying? Hence if we consider the average size then star UY Scuti (UY Sct) is almost 20% larger than VY Canis Majoris (VY CMa). If you think Betelgeuse is large, it does not even compare to the largest star we have located. Where should I start working out out of shape? Is the biggest star VY . The 15-year-old 9N ANC ATR 72 aricraft of local carrier Yeti Airlines was A little while later, the former Disney star also stormed out of the An attack on a Asian student on a transit bus has caused caused concern Iran has executed a former deputy defense minister Ali Reza Akbari for King Charles III makes first public address as monarch, International Business Times, Singapore Edition, Devin Willock: Georgia Offensive Lineman Devin Willock and Bulldog Staffer Die in Horrific Car Crash Hours after Title Celebration, Mo Shaikh's Incomparable Love for Dogs Is a Gift for All, Who Is R'Bonney Gabriel? So the force of 100 stars exploding would obliterate everything nearby. UY Scuti is 1,708 solar radii, and the sun is 109 times the radius of the earth, so that makes it about 186,000 times bigger (in terms of radius ) In terms of volume it nearly 5 billion times that of the Sun and 1.3 million earths fir into the sun, so the volume is a massive 6,500,000,000,000,000 times the volume of earth. Science news, great photos, sky alerts. . Although R136a1 is the most massive known star, it is not the largest, since it only stretches about 30 times the radius of our sun. In 2012, astronomers at the University of Bonn suggested the the ultramassive stars in the Large Magellanic Cloud such as R136a1 were created lighter stars in tight double-star systems merged. In terms of sheer physical size, the star UY Scuti is considered the biggest known. Your submission has been received! 3. The answer may be that monster stars dont live very long. UY Scuti is just plain big, with a radius 1,700 times that of our sun. That honor goes to R136a1, which weighs in at about 300 times the mass of the sun but only about 30 solar radii. UY Scuti is a red supergiant star. Seeing as how it was probably formed by a stellar merger, it's possible that it previously experienced a post-collision event where it expanded into an enormous red super/hypergiant, much like what is suspected to have triggered V838 Monocerotis' rapid expansion/brightening episode back 2002. The star R136a1, found in the R136 cluster, is the most massive star ever found, with a current mass of about 265 solar masses and with a birthweight of as much as 320 times that of the Sun. It is the largest known star in space with a diameter of 2.3 billion kilometres and mass 7-10 times of the Sun's mass.. The new estimate places the mass of the star R136a1 between 150 and 230 times that . If Stephenson 2-18 replaced the Sun in the solar system, its photosphere would extend beyond the orbit of Saturn. After all, multiple star systems are common throughout space, while monster stars are few and far between. UY Scuti is thought to have a mass only slightly more than 30 times the mass of our sun. These cookies track visitors across websites and collect information to provide customized ads. This website uses cookies to improve your experience while you navigate through the website. Although R136a1 is the most massive known star, it is not the largest, since it only stretches about 30 times the radius of our sun. The upper part of the range would make it larger than UY Scuti. Advancements in astronomy has opened the pandora's box in recent years, the latest being that of our Sun which is no longer the largest star in the universe. If you continue to use this site we will assume that you are happy with it. R136a1, Most Massive Star in the Universe Temperature R136a1, Most Massive Star in the Universe Radius R136a1 Radius has been calculated as being 28.8 times bigger than the Sun. Sun Compared to VY Canis Majoris: One of The Largest Known Stars, Bigger than UY Scuti (2K) 2020 - YouTube.Aug 20, 2020 Is VY Canis Majoris bigger than . 2:0710:125 Stars That Could Be Larger Than UY Scuti YouTubeYouTubeStart of suggested clipEnd of suggested clipIt could be much much much larger in other words it could potentially. How many Earths could fit inside UY Scuti? R136a1 is the most massive, radius is Canis Majoris currently as far as I know. Its more than 265 times the mass of our Sun, more than double most stars on this list. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. R136a1 is a young star, yet it probably won't grow as large as UY Scuti, because stars of such extreme mass are very unstable and short living. Which direction do I watch the Perseid meteor shower? For a star as massive as R136a1, the remnant will very likely be a black hole instead of a neutron star. UY Scuti is a red super-giant star located 5,219 light years away from us. At ~1,000 times the size of the Sun, Betelgeuse is an impressive star to be sure, but it's no match for UY Scuti, currently the largest star known with a diameter around 1,700 times that of the Sun . It's theorized that due to the amount of power R136a1 is producing, upon the end of its life, it will explode into a massive hyper nova, an even bigger event than a supernova. Massive stars are very short lived, existing for only a few million years. When it does die, its expected to explode with the force of more than 100 supernovas. And there are gigantic stars, in terms of sheer physical size. Its thought to be about 265 times more massive than our sun. 12. We use cookies to ensure that we give you the best experience on our website. 2.2 microns R136a1 is the heaviest star, with 265 times the sun's mass. By dividing the two volumes we get a factor of 3.21059, or written as decimal number: The observable comoving volume of the universe is about 320,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000-times the volume of Earth. How big is UY Scuti compared to Betelgeuse? This uncertainty is why I used possibly one of the largest stars in my description of UY Scuti. where does epinephrine comes from? What is bigger than the universe? 30, The largest known star in the universe is UY Scuti, a hypergiant with a radius around 1,700 times larger than the sun . R136a1 is at a distance of 163.000 light-years away from Earth or 50 kiloparsecs. How many Jack Nicklaus Signature golf courses are there? Is the biggest star bigger than the biggest black hole? This increase in produced radiation causes an expansion of the hull of the star, thus it becomes so large. Its mass, however, is only 30 times that of our nearest star. Is the quasi star the biggest star? Even if Earth was far enough away to survive the blast, without the star, there would be no heat and no light, and life could not survive on Earth without them. R136a1 is the heaviest star, with 265 times the suns mass UY Scuti is just plain big, with a radius 1,700 times that of our sun Left to right: a red dwarf, the Sun, a blue dwarf, and R136a1.. How many Suns can fit in VY Canis Majoris? 7 What is the most massive star known so far? They evolve very quickly in contrast to less massive stars like our sun. Why Do Cross Country Runners Have Skinny Legs? The main factor here being mass loss - the rate at which stars of ~45 or more Solar masses shed material is just too fast for them to expand to a significant degree after leaving the main sequence. Thats only 0.3% the size of TON 618, but obviously still stupendously large. For its maximum radius, I'd hazard a guess at maybe 60-80 times the size of the Sun? The upper part of the range would make it larger than UY Scuti. Enjoying EarthSky so far? In terms of volume, UY Scuti is around 5 billion times the size of our sun. There have been many questions on social media over the possibility of life around the stars discovered in recent years. This will be the first naked eye nova in decades. 6 Is there a star bigger than Stephenson 2 18? Who are those other candidates? is r136a1 bigger than uy scuti. In terms of sheer physical size, the star UY Scuti is considered the biggest known. Conversation. R136a1 : 265 solar masses, 28-35 solar radii. . Some would say the largest object in the universe is UY Scuti, the largest known star. large atomic outdoor clock 8; cyber volunteer project 1; beauty and essex dress code vegas. It's a site that collects all the most frequently asked questions and answers, so you don't have to spend hours on searching anywhere else. When it does die, its expected to explode with the force of more than 100 supernovas. How many Earths can you fit in UY Scuti?The largest star ever discovered is UY Scuti, which boasts a diameter 1,708 times that of the Sun. It is expected to heat up and become a yellow hypergiant star and also most likely shrink as it is become a hypergiant. R136a1 is not the largest known star in terms of radius or volume, only in mass and luminosity. Epidexipteryz 23 hr. Necessary cookies are absolutely essential for the website to function properly. Its mass, however, is only 30 times that of our nearest star. Based on its sheer size, astronomers believe that its no longer in its main sequence, and that its on the verge of dying. The upper part of the range would make it larger than UY Scuti. UY Scutis large radius does not make it the most massive, or heaviest, star. So how did R136a1 and stars like it grow so large? TimesMojo is a social question-and-answer website where you can get all the answers to your questions. Our Sun is an average sized star with a lifespan of around 10 billion years. It will turn into a red giant and get atleast 200 times bigger in radius, meaning over 8million times bigger in volume, than current size, eating up mercury and venus, most likely the earth aswell, and possibly even mars. A European research team led by Paul Crowther, professor of Astrophysics at the University of Sheffield in England, discovered the massive stars inside two young clusters of stars NGC 3603 and RMC 136a. Not in planets and definetly not in stars. Yes, VY Canis Majoris of the constellation canis major is larger than UY Scuti and is the biggest star ever discovered by man. If you burn yourself with a chemical that reacts in an Are indoor gas stoves unsafe for human beings? The largest known star is UY Scuti, a hypergiant with a radius somewhere around 1,700 times larger than the sun . Son Claims Hard-Line Islamist With Muslim Brotherhood Ties is on Death Row, Harrowing Video Captures Moment ATR 72 Yeti Plane With 72 on Board Crashes in Nepal Killing Scores [GRAPHIC], Kaylee Goncalves: Idaho Murder Victim Had Moved Out of Off-Campus Home but Returned the Day Before to Meet Her Roommate Before Being Killed, At Least 32 People Killed as ATR Plane Carrying 72 Crashes in Nepal; Victims' Nationalities Not Revealed, Britney Spears Seen Having Bizarre Meltdown at LA Restaurant after Customers Start Taking Her Photos, Prompting Husband to Storm Out [WATCH], 'Horrific, Targeted Anti-Asian Hate Crime': Indiana University Student Stabbed Multiple Times On Bus, Ali Reza Akbari: Iran Hangs Dual Iranian-British National and Former Minister Accused of Spying for MI6. Ask a science question, get a science answer. However, the star was better documented in 2012 with the help of greater technological equipment. That means if Betelgeuse was placed where our sun is now, it would eat Jupiter. When speaking of bigness among stars, you have to define your terms. Some stars have less mass than the Sun, some have more. Which God is present in Khajuraho temple. But opting out of some of these cookies may affect your browsing experience. Located within the constellation Scutum, UY Scuti is a hypergiant star. Is UY Scuti bigger than our solar system? This cookie is set by GDPR Cookie Consent plugin. The figure given for its radius is the mean size. Copyright 2023 MassInitiative | All rights reserved. Massey while giving an interesting comparison said that if Sun is considered to be a cherry then UY Scuti will be a 10-story high sphere. Size Mass Luminosity R136a1 has a diameter of about 30 million miles / 48 million kilometers about 35 times bigger than our Sun and has a radius of about 15 million miles / 24 million kilometers. Something went wrong while submitting the form. So while UY Scuti is only around 30 times more massive than the sun, it has a radius somewhere in the region of 1,700 times larger than the radius of the sun. As it stands, the title of the largest star in the Universe (that we know of) comes down to two contenders. Quasi-stars are larger than any stars we've ever discovered . The largest star we have identified is UY Scuti, which was found in 2012. It's unlikely that this will happen again though, since it doesn't seem to be binary - although I wouldn't be surprised if it has an eruption similar to Eta Carinae's 1800s outburst at some point in the LBV stage. A science communicator and educator since 1976, Byrd believes in science as a force for good in the world and a vital tool for the 21st century. The heaviest star is thought to be R136a1. Another hypergiant star is WOH G64 , also in the Large Magellanic Cloud, and thus located at a distance of some 168,000 light years from Earth. In terms of sheer physical size, the star UY Scuti is considered the biggest known . Other contenders. The remnant from a type Ic core collapse supernova is either a neutron star or black hole, depending on the mass of the progenitor core. Left to right: a red dwarf, the Sun, a blue dwarf, and R136a1. Hence if we consider the average size then star UY Scuti (UY Sct) is almost 20% larger than VY Canis Majoris (VY CMa). It has a radius of about 15 million miles / 24 million kilometers. This galaxy orbits our Milky Way Galaxy. New comments cannot be posted and votes cannot be cast. star R136a1. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. Other contenders. Its a red supergiant with a mass only 710 times the mass of the Sun, but with a radius up to 1,708 times the size! That honor goes to R136a1, which weighs in at about 300 times the mass of the sun but only about 30 solar radii. Our sun is 4,5 billion years while R136a1 is nearly 1 million years old. "Being an EarthSky editor is like hosting a big global party for cool nature-lovers," she says. In terms of sheer physical size, the star UY Scuti is considered the biggest known. All this while having less mass than now. What makes a star big might be its mass (like R136a1) or its physical size (like UY Scuti and the two other stars mentioned here). Its mass, however, is only 30 times that of our nearest star. Most Massive Star (R136a1) Anton Petrov 1.09M subscribers 257K views 4 years ago You can buy Universe Sandbox. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. Donate them here to help this channel grow! Still, double-star systems are common. Located in the Large Magellanic Cloud some 160,000 light-years away R136a1 is whats known as a WolfRayet star. Although R136a1 is the most massive known star, it is not the largest, since it only stretches about 30 times the radius of our sun. Yes, VY Canis Majoris of the constellation canis major is larger than UY Scuti and is the biggest star ever discovered by man. If muscles can only contract, how do we expand our Is a person exposed to radiation contagious? But if we talk about the diameter, then the biggest star in the universe is UY Scuti which has an approximate diameter of 1,700 times than that of the sun. UY Scuti is an extremely low-density star that's only 8.5x more massive than the Sun, but is 1000-2000x its size. This cookie is set by GDPR Cookie Consent plugin. Thank you! by Zhalia Reddit and its partners use cookies and similar technologies to provide you with a better experience. Are there any stars bigger than UY Scuti? Estimates place R136a1 at around 1 million years old. The largest known star is UY Scuti, a hypergiant with a radius somewhere around 1,700 times larger than the sun. The largest known star is UY Scuti, a hypergiant with a radius somewhere around 1,700 times larger than the sun. How many Earths could fit inside UY Scuti? What is the highest recorded triglyceride level? The estimated radius is about 2,150 times that of the Sun, and the volume is 10 bln Suns. The largest known star is UY Scuti, a hypergiant with a radius somewhere around 1,700 times larger than the sun. UY Scuti is a variable hypergiant star and is the largest known star in the universe. The cookie is used to store the user consent for the cookies in the category "Analytics". Its mass, however, is only 30 times that of our nearest star. By clicking Accept All, you consent to the use of ALL the cookies. . The astronomers in Bonn say its because these stars formed under special conditions in a densely packed star cluster. What did Earth look like in the Cretaceous Period? The cookie is used to store the user consent for the cookies in the category "Other. It is the largest known star in space with a diameter of 2.3 billion kilometres and mass 7-10 times of the Sun's mass.R136A1 is the heaviest star in space located 163,000 light years away from us. R136a1 is not the largest known star in terms of radius or volume, only in mass and luminosity. Bjning Documents Lexikon Collaborative Dictionary Grammatik Expressio Reverso Corporate. Its mass, however, is only 30 times that of our nearest star. In addition to the above stars there are several others that happen to be the contestants for the position of largest stars. A quasi-star compared to many large stars (UY Scuti is not the largest star, and even Stephenson 2-18 is actually smaller than a Quasi Star but Quasi stars are hypothetical, so they are just ideas, and likely not existent). It's mass 315 times of the Sun's mass and diameter of 42 million kilometer. UY Scuti is a red super-giant star located 5,219 light years away from us. from the Sun. Its mass is about 315 times the mass of our Sun, being 9 million times more luminous than our star. 9 How old are the Stars in the R136 cluster? . The red hypergiant VY CMa is bigger than Betelgeuse and belching out vast clouds of dust. Cover everything up to UranusMoreIt could be much much much larger in other words it could potentially. What is the most massive star known so far? Is there a star bigger than Stephenson 2 18? Black holes are the largest single objects in the universe, many times larger than even the biggest stars, and have no upper limit to their size. What does it mean when someone writes in capital letters? R136a1 itself is 10,000 times fainter and can only be resolved using speckle interferometry. But there are more ways than one to measure stars' bigness. Although R136a1 is the most massive known star, it is not the largest, since it only stretches about 30 times the radius of our sun. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". versttning med sammanhang av " " i ryska-engelska frn Reverso Context: , . Create an account to follow your favorite communities and start taking part in conversations. R136a1 is not the largest known star in terms of radius or volume, only in mass and luminosity. Which Teeth Are Normally Considered Anodontia. Follow the links below to learn more about these monster stars. Scudder said: This star is one of a class of stars that varies in brightness because it varies in size, so this number is also likely to change over time. Mass is not linear to size. But there are more ways than one to measure stars' bigness. Let's find out..What if Earth Hits The Jupiter?Watch here https://www.youtube.com/watch?v=NzIbQKfDO1kSubscribe https://bit.ly/MrScientificSecond Channel: http://bit.ly/MrScientificLiveMusic Channel: http://bit.ly/Forever-MusicMy Instagram: https://instagram.com/MrScientificFacebook: https://facebook.com/ScientificMrTwitter: https://twitter.com/ScientificMrCredits: NASA, ESO If you continue to use this site we will assume that you are happy with it. Its mass, however, is only 30 times that of our nearest star. All rights reserved. 18h27m36.53s, 12 27 58.9 UY Scuti (BD-125055) is a redsupergiant star in the constellation Scutum. R136a1 is just massive, not even the most massive. In short, stars are in an equilibrium between gravity pulling matter inward and radiation pressing matter outwards. A supernova is the explosion of a star, and its the largest explosion that takes place in space. R136a1 is the heaviest star, with 265 times the suns mass, UY Scuti is just plain big, with a radius 1,700 times that of our sun. In other words, this single star is so large that its outer surface would extend far beyond the orbit of the planet Jupiter (which lies about five times farther from the sun than Earth). Although R136a1 is the most massive known star, it is not the largest, since it only stretches about 30 times the radius of our sun. Greats are placed. If it is smaller by 192 solar radii, there are a few other candidates that would beat UY Scuti. The one used for What happens to the energy of sound in space? What star is bigger than UY Scuti? Is there anything bigger than UY Scuti? Left to right: a red dwarf, the Sun, a blue dwarf, and R136a1. One idea is that supermassive stars like R136a1 form through mergers of multiple stars.
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