Image d'Alpha du Centaure (à gauche) et de Beta Centauri (à droite).

English: The two bright stars are (left) Alpha Centauri and (right) Beta Centauri, both binaries. Erik Gregersen is a senior editor, specializing in the physical sciences and technology.

Cet article est une ébauche ... Hadar / Agena β Centauri. File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/views/page/index.php The faint red star in the center of the red circle, at right angles to both and south-east of Alpha is Proxima Centauri , intensely red, smaller in size, weaker in brightness and a distant third element in a triple star system with the main close pair forming Alpha Centauri. File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/views/user/popup_modal.php

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Beta Centauri est en réalité un système d'étoiles triple. Le Centaure contient également BPM 37093 , une étoile morte qui serait constituée exclusivement de carbone cristallin , un gigantesque diamant .

Hadar, ou Agéna, (β Centauri) est une géante bleue de magnitude apparente 0,6.

Beta Centauri . File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/controllers/Main.php File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/views/user/popup_modal.php File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/controllers/Main.php Beta Centauri is about 390 light-years from Earth. File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/views/page/index.php File: /home/bq60o9f5vzd9/public_html/wikizero.com/index.php Search Britannica File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/controllers/Main.php File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/views/page/index.php Beta Centauri (Latinised from β Centauri, abbreviated Beta Cen, β Cen), officially called Hadar /ˈheɪdɑːr/, is a triple star system in the southern constellation of Centaurus. File: /home/bq60o9f5vzd9/public_html/wikizero.com/index.php Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Beta Centauri (β Centauri, abbreviated Beta Cen, β Cen), also named Hadar, [11] is a triple star system in the southern constellation of Centaurus. Like Alpha, Beta Centauri is also 3 stars, but 2 of Beta's stars will someday become nearby supernovae. Categories  Check out Britannica's new site for parents! Beta Centauri (Hadar or Agena) is the second brightest star in the constellation Centaurus and the tenth brightest star in the night sky.

The two brightest stars orbit each other every 357 days and form a File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/views/page/index.php The system's combined apparent visual magnitude of 0.61 makes it the second-brightest object in Centaurus and one of the brightest stars in the night sky.

The system's combined apparent visual magnitude of 0.61 makes it the second-brightest star in Centaurus and one of the brightest stars in the night sky. Our editors will review what you’ve submitted and determine whether to revise the article. Pour les articles homonymes, voir Hadar et Agena.

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Features File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/controllers/Main.php History at your fingertips File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/controllers/Main.php Login By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica.Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/views/user/popup_modal.php File: /home/bq60o9f5vzd9/public_html/wikizero.com/index.php Beta Centauri - aka Hadar - joins Alpha Centauri in pointing to the Southern Cross. File: /home/bq60o9f5vzd9/public_html/wikizero.com/application/views/user/popup_modal.php

Before joining Encyclopaedia Britannica in 2007, he worked at the University of Chicago Press on the Astrophysical...

It is a system of three B-type stars. Beta Centauri, second brightest star (after Alpha Centauri) in the southern constellation Centaurus and the 10th brightest star in the sky. Beta Centauri (β Centauri / β Cen, Bêta du Centaure), également connue sous les noms de Hadar et Agena, est la seconde étoile la plus brillante de la constellation du Centaure, et la dixième plus brillante du ciel nocturne.Elle est située à environ 525 années-lumière du système solaire..

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