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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.
Betelgeuse, also designated Alpha Orionis, is a massive M-type red supergiant star nearing the end of its life. It is the second brightest star in Orion, and is a semiregular variable star. [7] It serves as the "right shoulder" of the hunter (assuming that he is facing the observer).
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Betelgeuse has entered an uncommon period of brightening again, this time rising in brightness by around 50 percent. Is the star about to go supernova?
By studying movements (like sound waves) on the surface of the star suggest Betelgeuse is still fusing helium. That would mean that the star is not close (on a human timescale) to erupting as a ...
The Orion region showing the red supergiant Betelgeuse. Red supergiants are rare stars, but they are visible at great distance and are often variable so there are a number of well-known naked-eye examples: Antares A; Betelgeuse; Epsilon Pegasi; Zeta Cephei; Lambda Velorum; Eta Persei; 31 and 32 Cygni; Psi 1 Aurigae; 119 Tauri
Betelgeuse and Saiph lie at a similar distance to Rigel, although Betelgeuse is a runaway star with a complex history and might have originally formed in the main body of the association. [ 40 ] Stellar system
The Egyptian X is a large asterism which, like the Diamond of Virgo, is composed of a pair of equilateral triangles. Sirius (α CMa), Procyon (α CMi), and Betelgeuse (α Ori) form one to the North (Winter Triangle) while Sirius, Naos (ζ Pup), and Phakt (α Col) form another to the South. Unlike the Diamond, however, these triangles meet, not ...