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Betelgeuse is a red supergiant star in the constellation of Orion. It is usually the tenth-brightest star in the night sky and, after Rigel, the second-brightest in its constellation.
Jun 1, 2023 · Betelgeuse is a variable star known for regular oscillations between brighter and dimmer periods. For more than 100 years, astronomers have observed Betelgeuse lighten up every 400...
May 3, 2023 · Betelgeuse is a bright and massive star in the constellation Orion that is nearing the end of its life. Learn about its history, variability, and the mysterious dimming event in 2019 that revealed its surface ejection.
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.
- The Editors of Encyclopaedia Britannica
Jun 7, 2023 · Betelgeuse is one of the brightest stars in the night sky and also one of the largest stars known to astronomers. Forming the left shoulder of the constellation Orion, Betelgeuse is a so-called...
- 1 min
- Tereza Pultarova
Betelgeuse is a red supergiant star in the constellation Orion, visible from most regions on Earth. Learn about its history, distance, size, brightness, color changes, and possible supernova explosion in the future.
See the first direct image of a star other than the Sun, made with NASA's Hubble Space Telescope. Learn about the huge ultraviolet atmosphere and the mysterious hot spot on the red supergiant star Betelgeuse.
