Betelgeuse is a red giant star in Orion, and it is one of the biggest and brightest stars known.
Betelgeuse
The largest star in Orion is Betelgeuse with a solar radii of 1,180.
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Yes, it's one of the largest stars we can see, and is classified as a red supergiant.
In terms of size from smallest to largest, its Sirius, Pollux, Aldebaran, Rigel, Betelgeuse, Antares, and KY Cygni.
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Betelgeuse is found in the Constellation of Orion . It is a very bright star, and seen in the South West Sky, in the evening after dark , during january , february and March . It is Definitely NOT in the Solar system.
1. VY Canis Majoris 2. Betelgeuse (which is scheduled to supernova sometime between 2012 and a million years from now)
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Betelgeuse is a red supergiant, and one of the largest and most luminous stars known, but not the largest - see related question.It has a radius 936 times larger than our own Sun. If our Sun was replaced by Betelgeuse it's outer edge would extend between the orbits of Mars and Jupiter.The Star is about 1,000 times larger than our Sun.That puts it's radius at about 650,988,000 km (about 405 million miles).See related link for a pictorial of the size difference.See related link for a video of the star sizes.Relatively large. It is twice the size of the suns solar system.
Betelgeuse is a supergiant red star that is nearing its end of life. The sun is a relatively small main sequence star in the middle of its life. It is believed that Betelgeuse is only 10 million years old, and that it has evolved so rapidly because of its extremely high mass - it is one of the largest stars we know of - and its demise as a type II supernova is predicted within only the next 1 million years. At that point, it will be visible even during the day.
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