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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.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. ...
Betelgeuse is one of the three stars that make up the Winter Triangle (shown below) and can be seen rising in the east just after sunset at the beginning of January each year. It is also visual to everyone (except at latitudes south of 82 degrees) between mid-September to mid-March, with the best observations in mid-December.
3 Μαΐ 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.
8 Ιαν 2020 · Betelgeuse is one of the three stars that make up the Winter Triangle asterism (The other two stars are Procyon, Canis Minor), and it marks the center of the Winter Hexagon. Thus Betelgeuse is part of two familiar winter asterisms. Betelgeuse is sometimes often known as Alpha Orionis.
26 Οκτ 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.
Betelgeuse is a variable star with an apparent brightness that varies from +0.0 to +1.6. This makes it the second brightest star in Orion and the 10th brightest star in the night sky. The star Betelgeuse is only 10 million years old.
18 Σεπ 2024 · 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). In fact, it’s considered the most likely star in the night sky to go supernova—and explode.
