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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 · The great dimming. 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...
May 3, 2023 · A blazing red supergiant shining brilliantly in the night sky, Betelgeuse is a star that has captured humanity's awe and attention for centuries.
Sep 15, 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.
Sep 18, 2024 · What is Betelgeuse, the Star? Betelgeuse is a unique celestial object. It’s classified as a “red supergiant”—one of the most massive stars in the night sky, which appears orange-red in color. Betelgeuse is nearing the end of its life (stars expand as they age).
Betelgeuse is the tenth brightest star in the night sky and the second brightest star found in the constellation Orion, located at the eastern shoulder of the hunter. At near-infrared wavelengths, however, the rust-colored star is the brightest star in the sky.
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...
Aug 11, 2022 · Analyzing data from NASA’s Hubble Space Telescope and several other observatories, astronomers have concluded that the bright red supergiant star Betelgeuse quite literally blew its top in 2019, losing a substantial part of its visible surface and producing a gigantic Surface Mass Ejection (SME).
Nov 29, 2020 · One explanation for why Betelgeuse went dark in 2019 is that the star sneezed out a burst of gas and dust (illustrated, left), which condensed into a dark cloud. That cloud blocked the star’s...
May 15, 2023 · Even if you don’t know it by name, the red supergiant star Betelgeuse is one of the most familiar sights in the heavens above—a gleaming ruddy dot at the shoulder of the constellation Orion.
