Betelgeuse is approximately 900 times larger in diameter than the sun, about 1.5 billion kilometers.
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Betelgeuse is approximately 1.4 times larger in terms of diameter than Rigel.
Betelgeuse is a star located in the constellation of Orion, and it does not have a physical size expressed in square miles like a planet or other object. It is a red supergiant star with a diameter that is several hundred times larger than that of our Sun.
Betelgeuse is larger than Rigel. Betelgeuse is a red supergiant star with a diameter about 1,180 times that of the Sun, while Rigel is a blue supergiant with a diameter roughly 79 times that of the Sun.
Betelgeuse is one of the larger stars, while Barnard's star is just a little red dwarf star. So, yes- Betelgeuse is far larger than Barnard's.
Betelgeuse is a red supergiant star located in the constellation of Orion. It is estimated to be around 950-1,200 times larger in diameter than our Sun, which in turn is about 109 times larger in diameter than Earth. Therefore, Betelgeuse is significantly larger than Earth.