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Betelgeuse
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Betelgeuse is a red supergiant star in the equatorial 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
1998/9 ultraviolet (UV) Hubble Space Telescope images of Betelgeuse showing asymmetrical pulsations with corresponding spectral line profiles
1998/9 ultraviolet (UV) Hubble Space Telescope images of Betelgeuse showing asymmetrical pulsations with corresponding spectral line profiles
AAVSO V-band magnitude of Betelgeuse, between September 2016 and August 2023
AAVSO V-band magnitude of Betelgeuse, between September 2016 and August 2023
Comparison of SPHERE images of Betelgeuse taken in January 2019 and December 2019, showing the changes in brightness and shape
Comparison of SPHERE images of Betelgeuse taken in January 2019 and December 2019, showing the changes in brightness and shape
Image showing Betelgeuse (top left) and the dense nebulae of the Orion molecular cloud complex (Rogelio Bernal Andreo)
Image showing Betelgeuse (top left) and the dense nebulae of the Orion molecular cloud complex (Rogelio Bernal Andreo)
Rigel
Videos
Rigel is a blue supergiant star in the equatorial constellation of Orion. It has the Bayer designation β Orionis, which is Latinized to Beta Orionis and abbreviated Beta Ori or β Ori. Rigel is the bri
Betelgeuse
…Betelgeuse is a red supergiant star in the equatorial 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…
Rigel A and Rigel B as they appear in a small telescope
Rigel A and Rigel B as they appear in a small telescope
Rigel and reflection nebula IC 2118 in Eridanus. Rigel B is not visible in the glare of the main star.
Rigel and reflection nebula IC 2118 in Eridanus. Rigel B is not visible in the glare of the main star.
Orion illustrated in a copy of Abd al-Rahman al-Sufi's Book of Fixed Stars. The foot on the left is annotated rijl al-jauza al-yusra, the Arabic name
Orion illustrated in a copy of Abd al-Rahman al-Sufi's Book of Fixed Stars. The foot on the left is annotated rijl al-jauza al-yusra, the Arabic name from which Rigel is derived.