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Betelgeuse typically shows only small brightness changes near to magnitude +0.5, although at its extremes it can become as bright as magnitude 0.0 or as faint as magnitude +1.6. Betelgeuse is listed in the General Catalogue of Variable Stars with a possible period of 2,335 days.
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 ...
May 3, 2023 · 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 10, 2024 · 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.
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...
Betelgeuse Keep Exploring Discover More Topics From NASA GeneLab Aeronautics B.12 Heliophysics Data Environment Enhancements (HDEE) POC Change Amendment 25: New Opportunity: C.27 Lucy in the L4 Trojans Participating Scientist Program. National Aeronautics and Space Administration ...
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.
Betelgeuse, Alpha Orionis, is the second brightest star in Orion constellation and the ninth brightest star in the sky. It is a supergiant star, distinctly red in colour, located at an approximate distance of 643 light years from Earth.
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.
