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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. ...
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.
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 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.
7 Ιουν 2023 · Located some 650 light-years from Earth, Betelgeuse, also known as Alpha Orionis, usually ranks as the tenth brightest star in the night sky. The star, however, is known for its periodic dimming...
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.
14 Αυγ 2014 · Betelgeuse is a large, bright, massive star easily found in the sky in the winter months because it is part of a familiar pattern formed by the celestial Hunter. The red supergiant marks one of Orion ‘s shoulders, while the hot, bright giant Bellatrix , Gamma Orionis, marks the other.
