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Aldebaran

[al-deb-er-uh n] /ælˈdɛb ər ən/
noun
1.
a first-magnitude star, orange in color, in the constellation Taurus.
Origin
< Arabic al the + dabarān follower (of the Pleiades)
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for Aldebaran

Aldebaran

/ælˈdɛbərən/
noun
1.
a binary star, one component of which is a red giant, the brightest star in the constellation Taurus. It appears in the sky close to the star cluster Hyades. Visual magnitude: 0.85; spectral type: K5III; distance: 65 light years
Word Origin
C14: via Medieval Latin from Arabic al-dabarān the follower (of the Pleiades)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for Aldebaran
Aldebaran
bright star in Taurus, 16c., from Arabic Al Dabaran "the follower" (of the Pleiades, which rise shortly before it does), from dabara "he followed."
Online Etymology Dictionary, © 2010 Douglas Harper
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Aldebaran in Science
Aldebaran
  (āl-děb'ər-ən)   
A red giant star in the constellation Taurus. Aldebaran is the thirteenth brightest star in the sky, with an apparent magnitude of 0.85. Scientific name: Alpha Tauri.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Article for Aldebaran

reddish giant star in the constellation Taurus. Aldebaran is one of the 15 brightest stars, with an apparent visual magnitude of 0.86. Its diameter is approximately 50 times that of the Sun. It is accompanied by a very faint (13th magnitude) red companion star. Aldebaran lies about 65 light-years from the Earth. The star was once thought to be a member of the Hyades cluster, but in fact Aldebaran is 85 light-years closer to Earth. Aldebaran was probably named "The Follower" because it rises after the Pleiades cluster of stars

Learn more about Aldebaran with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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