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It is usually the tenth-brightest star in the night sky and, after Rigel, the second-brightest in its constellation. It is a distinctly reddish, semiregular variable star whose apparent magnitude, varying between +0.0 and +1.6, has the widest range displayed by any first-magnitude star.
Jun 1, 2023 · For more than 100 years, astronomers have observed Betelgeuse lighten up every 400 days, then drop to about half of its peak brightness and brighten up again. But in December 2019, the star ...
The "right shoulder" in the constellation Orion (or left shoulder, as seen from Earth), Betelgeuse (or Alpha Orionis) is one of the brightest stars in the night sky and one of the largest stars ever discovered. But there is more to this ultra-bright stellar monster than meets the eye.
3 days ago · Betelgeuse, second brightest star in the constellation Orion, marking the eastern shoulder of the hunter. It has a variable apparent magnitude of about 0.6 and is one of the most luminous stars in the night sky. Betelgeuse is a red supergiant star roughly 764 times as large as the Sun.
This is the first direct image of a star other than the Sun, made with NASA's Hubble Space Telescope. Called Alpha Orionis, or Betelgeuse, it is a red supergiant star marking the shoulder of the winter constellation Orion the Hunter (diagram at right).
Jun 7, 2023 · One of the brightest and largest stars in the sky, Betelgeuse is known for its erratic behavior that sometimes prompts speculations that it might soon explode in a supernova. Skip to main content...
Jun 1, 2018 · Betelgeuse is a colossal object — and a very bright one at that. As a red supergiant nearing the final phases of its life cycle, Betelgeuse has an estimated diameter around a thousand times that of the Sun, with an estimated absolute luminosity of 100,000 times the Sun.
The bright reddish star marking the shoulder of Orion, the mighty hunter, is a mighty workaholic. If it's clear outside, you can see it tonight. Born as a super-massive star millions of years ago, Betelgeuse*, is now nearing the end of its life and has expanded to become red supergiant star.
Jan 8, 2020 · Home » Stars » Betelgeuse (α Orionis) January 4, 2021. Betelgeuse is a red supergiant star, being the ninth brightest object in the night sky. It is located in the Orion constellation, where it holds the second place, as the brightest star.
Jun 29, 2020 · Betelgeuse, which is about 500 light-years from Earth, is reaching the end of its life. But it's not known precisely when it will explode; it could take as long as hundreds of thousands of years...
