Betelgeuse and Siwarha I love space, but I also love language and words and names, and I especially love it when people put thought and care into the naming of things.  Betelgeuse is a super famous supergiant star in the…

I love Betelgeuse, and I love that Betelgeuse is now known to have a little binary companion star, which astronomers have (very aptly) named Siwarha.

i-love-space.com/2026/01/22/b...

#space #science #Betelgeuse #Siwarha

Original post on sci.news

Astronomers Detect Celestial ‘Wake’ from Betelgeuse’s Companion Star New multi-year observations from the NASA/ESA Hubble Space Telescope and ground-based telescopes reveal how a faint compan...

#Astronomy #Betelgeuse #ESA #Hubble #NASA #Red #supergiant #Siwarha […]

[Original post on sci.news]

Original post on sci.news

Astronomers Detect Celestial ‘Wake’ from Betelgeuse’s Companion Star New multi-year observations from the NASA/ESA Hubble Space Telescope and ground-based telescopes reveal how a faint compan...

#Astronomy #Betelgeuse #ESA #Hubble #NASA #Red #supergiant #Siwarha […]

[Original post on sci.news]

Original post on sci.news

Astronomers Detect Celestial ‘Wake’ from Betelgeuse’s Companion Star New multi-year observations from the NASA/ESA Hubble Space Telescope and ground-based telescopes reveal how a faint compan...

#Astronomy #Betelgeuse #ESA #Hubble #NASA #Red #supergiant #Siwarha […]

[Original post on sci.news]

Small mottled sphere, with a smaller white dot near it. The white dot has a long curving dark tail looping around the larger sphere, on orangish background. Bold white text says 'Astronomers detect wake of Betelgeuse's elusive companion star'.

Astronomers have tracked the influence of a recently discovered small companion star, #Siwarha, on the gas around the red giant #Betelgeuse. The research reveals a trail of dense gas swirling through Betelgeuse’s vast, extended atmosphere. 🌟🔴🔭
buff.ly/1UYwD4C

📸 NASA/ ESA/ E. Wheatley/ A. Dupree.

Betelgeuse Is Definitely Not Alone, 8-Year Study Confirms Betelgeuse is one of the weirdest stars in the sky, but astronomers can now explain one of its most enduring mysteries.

Interesting news on #Betelgeuse...
It has been confirmed that it has a companion, #Siwarha
#Space #SpaceNews

www.sciencealert.com/betelgeuse-i...

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Astrónomos detectan la «estela» de Siwarha, la esquiva estrella compañera de Betelgeuse Utilizando datos del telescopio espacial Hubble y observatorios terrestres, científicos del Centro de Astrofísica Harvard & Smithsonian (CfA) han confirmado la presencia de Siwarha, una estrella compa...

Científicos del Centro de Astrofísica Harvard & Smithsonian han confirmado la presencia de Siwarha, una estrella compañera que orbita a la gigante roja Betelgeuse de la constelación de Orión... #betelgeuse #orion #hubble #siwarha

Más info en 👇
mysteryplanet.com.ar/site/astrono...

🟠 Siwarhā (Betelgeuse B)
Faint companion of #Betelgeuse in Orion, mag ~8.2. Predicted long ago, revealed by speckle imaging in 2020 & 2024.
🌡️ ~7,400 K | ~1.6 M☉ | ~1.5 R☉ | 548 ly
🔬 Likely F-type
Name “Siwarhā” = “her bracelet,” from Arabic lore of al-Jawzāʼ.
#Siwarha

Un soleil autour de Bételgeuse, une découverte qui fait débat Des astronomes américains pensent avoir détecté une petite étoile autour de la supergéante rouge Bételgeuse. Une annonce jugée précipitée par certains. Mais ses découvreurs ont de bonnes raisons d’y ...

Une étoile compagnon autour de Bételgeuse ? L'image directe avec Gemini laisse entrevoir "Siwarha"... vrai futur du suivi stellaire ? www.cieletespace.fr/actualites/u... #Space #Science #Innovation #Astrophysics #Betelgeuse #Siwarha #GeminiNorth

Original post on mastodon.social

Une étoile compagnon autour de Bételgeuse ? L'image directe avec Gemini laisse entrevoir "Siwarha"... vrai futur du suivi stellaire ? www.cieletespace.fr/actualites/un-soleil-aut... #Space #Science #Innovation #Astrophysics #Betelgeuse #Siwarha […]