what is the largest known star in our universe
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What is the Biggest Star in the Universe? But that’s nothing. The largest known star is VY Canis Majoris; a red hypergiant star in the Canis Major constellation, located about 5,000 light-years from Earth. University of Minnesota professor Roberta Humphreys recently calculated its upper size at more than 1,540 times the size of the Sun.he noted that the largest stars are the coolest. So even though Eta Carinae is the most luminous star we know of, it’s extremely hot – 25,000 Kelvin – and so only a mere 250 solar radii. The largest stars will be the cool supergiants.
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Largest known star UY Scuti is 5 billion times the size of the Sun Largest known star UY Scuti is 5 billion times the size of the Sun. UY Scuti is a red supergiant star in the Scutum constellation. It is one of the largest known stars by radius at 1,708 ± 192 solar radii, corresponding to the diameter of 2,375,828,000 kilometers. If placed at the center of the Solar System, UY Scuti can engulf all the planets all the way to Jupiter, filling more than halfway through Saturn’s orbit. It has a volume approximately 5 billion times that of the Sun.
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What Is The Largest Known Star In The Universe? So while solar radii would give us the “largest star in universe” by radius/circumference, it wouldn’t give us the most massive star (solar mass), or the most powerful star (luminosity). With that in mind, let’s take a look at some of the largest stars, most massive stars, and most powerful stars in the known universe.
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General Astronomy/Print version This star has about 12% the mass of the Sun, and about 14% the size of the Sun – about 200,000 km across, which is only a little larger than Jupiter. Our own Sun is an example of an average star. It has a diameter of 1.4 million kilometers… today.But when our Sun nears the end of its life, it will bloat up as a red giant, and grow to 300 times its original size.n example of a larger star than our Sun is the blue supergiant Rigel in the constellation Orion. This is a star with 17 times the mass of the Sun, which puts out 66,000 times as much energy.
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StarChild Question of the Month for May 2000 What is the biggest star we know? Answer: The largest known star (in terms of mass and brightness) is called the Pistol Star. It is believed to be 100 times as massive as our Sun, and 10,000,000 times as bright! In 1990, a star named the Pistol Star was known to lie at the center of the Pistol Nebula in the Milky Way Galaxy.
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What is the largest known star? 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. At an estimated 1,540 times the sun’s radius, this star is thought to be the largest star in the Large Magellanic Cloud, in terms of sheer physical size. And, again, we’re talking size here, not mass. This star is thought to have only 25 times the sun’s mass. List of largest known stars
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UY Scuti UY Scuti was found to be the largest of the three stars measured, at 1,708 ± 192 R ☉ . This makes the star's radius the largest known of any star and approximately 1.7 times the size of the famous Betelgeuse.
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StarChild Question of the Month for May 2000 And, yet, we do not think it is the biggest! Recent observations of a star called VY Canus Majoris show that it has a size between 600 and 2100 tims the size of our Sun! However, this star is only about 500,000 times brighter than our Sun and 30 or so times more massive than our Sun.he star is 25,000 light-years away from Earth. Despite this great distance, the star would be visible to the naked eye if it were not for all the dust between it and the Earth. UPDATE! As of January 2009, we now know about some other really big stars. One is called Eta Carinae.
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How big is the biggest star we have ever found? Not surprisingly, UY Scuti is classified as a hypergiant star – which is the classification which comes after supergiant and regular giant. Its size may make it the biggest, but it is not the most massive star (where the mass in massive stands for the amount of matter in the star).
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List of largest stars UY Scuti as seen in visible light. Below is a list of the largest known stars by radius. The unit of measurement used is the radius of the Sun (approximately 695,500 kilometers, or 432,450 miles).The exact order of this list is not complete, nor is it perfectly defined: 1  There are sometimes high uncertainties in derived values and sizes;elow is a list of the largest known stars by radius. The unit of measurement used is the radius of the Sun (approximately 695,500 kilometers, or 432,450 miles). The exact order of this list is not complete, nor is it perfectly defined: 1  There are sometimes high uncertainties in derived values and sizes;
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What Is The Largest Known Object In The Universe? It turns out that it's something mysterious, and its existence defies the laws of physics. The largest structure in the universe is impressively titled: Hercules-Corona Borealis Great Wall, or Great Gamma-Ray Burst Wall (GRB Wall). A gamma-ray burst is an ultra-energetic explosion of gamma-radiation – the brightest electromagnetic event in the universe.
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What is the biggest star in the Universe? In fact, if you could place this star in the biggest water bath in the Universe, it would theoretically float. Being more than a million times less dense than Earth's average atmosphere at room temperature, it would also bob around in mid-air like a balloon – if only you could find a park big enough.
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"Giant ""Blob"" Is Largest Thing in Universe" Giant Blob Is Largest Thing in Universe. Japanese astronomers have discovered what they call the largest object in the universe: a colossal structure 200 million light-years wide that resembles a swarm of giant green jellyfish.
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StarChild Question of the Month for May 2000 NICMOS' infrared vision can penetrate the dust to reveal the star. The star has enough raw power to blow off two expanding shells of gas (which are false-colored magenta) equal to the mass of several times our Sun. The largest shell is so big (4 light-years) it would stretch nearly all the way from our Sun to the next nearest star. The outbursts which created the shells seen by Hubble are estimated to be only 4,000 and 6,000 years old, respectively.
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Biggest Thing in Universe FoundâDefies Scientific Theory Quasar cluster is challenge to our current understanding, astronomer says. Enlarge. A quasar jets energy in an illustration. A newfound quasar cluster is the universe's biggest known object. Illustration courtesy M. Kornmesser, ESO. Talk about a whopper—astronomers have discovered a structure in the universe so large that modern cosmological theory says it should not exist, a new study says. (Also see Giant 'Blob' Is Largest Thing in Universe [2006].)
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How big is the biggest star we have ever found? The universe is such a big place that it is easy to get baffled by the measurements that astronomers make. The size of UY Scuti, possibly one of the largest stars we have observed to date, is certainly baffling.
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- 1 The Sun in the center of our solar system is a star. 2  There are around 200 billion stars in the Milky Way alone. 3  VY Canis Majoris is the largest known star in our galaxy, if this star was in the center of our solar system its outer atmosphere would reach the orbit of Saturn.hen a star is in its main sequence it is fusing hydrogen atoms in its core which creates energy. Stars in their main sequence are referred to as 'dwarfs', the sun being an example of a dwarf star, all stars will spend the majority of their lifespan in this state before they exhaust their supply of hydrogen.
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How large is VY Canis Majoris? VY Canis MAjoris is a star that is 2100 times the mass of our own sun, and it is the largest star discovered to date.Y Canis Majoris is about 2,100 solar radii, it is possibly the largest known star and also one of the most luminous known. It is located about 1.5 kiloparsecs (4.6×1016 km) … or about 4,900 light years away from Earth.
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List of Largest Stars Gets 3 New Chart Toppers The previous record holder for largest known star has been bumped into fourth place. The previous record holder for largest known star has been bumped into fourth place.
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10 Largest Stars In The Known Universe Betelgeuse is the brightest star in Orion, and one of the largest known stars with a diameter of roughly 700 times that of the Sun. Orion’s Alpha star is 20 times more massive than the Sun. This red supergiant emits 7,500 times as much energy as the Sun does.
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The largest star currently known She noted that the largest stars are the coolest. So even though Eta Carinae is the most luminous star we know of, it’s extremely hot – 25,000 Kelvin – and so only a mere 250 solar radii. The largest stars will be the cool supergiants.For example, VY Canis Majoris is only 3,500 Kelvin. A really big star would be even cooler. At 3,000 Kelvin, a cool supergiant would be 2,600 times the size of the Sun.he noted that the largest stars are the coolest. So even though Eta Carinae is the most luminous star we know of, it’s extremely hot – 25,000 Kelvin – and so only a mere 250 solar radii. The largest stars will be the cool supergiants.
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What Is The Largest Known Star In The Universe? So while solar radii would give us the “largest star in universe” by radius/circumference, it wouldn’t give us the most massive star (solar mass), or the most powerful star (luminosity). With that in mind, let’s take a look at some of the largest stars, most massive stars, and most powerful stars in the known universe. The Largest Star By Volume The Cyg OB2 association (Photo credit: Wikipedia)
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How big is the biggest star we have ever found? Spot the biggest. Rutherford Observatory. The universe is such a big place that it is easy to get baffled by the measurements that astronomers make. The size of UY Scuti, possibly one of the largest stars we have observed to date, is certainly baffling.
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What Is The Largest Known Star In The Universe? What measurements should we use to determine the largest star in the universe (or at least, the largest known star)? There are 3 measurements we can use to gauge in an attempt to crown the biggest star in the universe: