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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.
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.
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 ...
4 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.
Mar 17, 2024 · Betelgeuse is the nearest red supergiant star to Earth. It’s a variable star, so a change in its brightness isn’t unusual. But Betelgeuse is now dimmer than it’s been for several...
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...
Hubble Images the Star Betelgeuse. 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).
May 1, 2023 · 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 1, 2018 · Betelgeuse, the reddish star in the right shoulder of Orion, is a supergiant whose girth extends out to the orbit of Jupiter. It could be the next star in the sky to go supernova. Update Location
