Aldebaran

American  

[al-deb-er-uhn] / ælˈdɛb ər ən /

noun

1. a first-magnitude star, orange in color, in the constellation Taurus.

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Aldebaran British  

/ 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

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Aldebaran Scientific  

/ ăl-dĕb′ər-ən /

1. 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.

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Etymology

Origin of Aldebaran

< Arabic al the + dabarān follower (of the Pleiades)

Example Sentences

As the Moon rises it will form a triangle with the Pleiades star cluster and the bright star Aldebaran.

From BBC • Dec. 3, 2025

The feminist activists Judy Freespirit and Aldebaran published the “Fat Liberation Manifesto” in 1973.

From The Wall Street Journal • Nov. 28, 2025

"The security crisis in the Sahel is complex and there are no quick fixes," warned Charlie Werb, an analyst with Aldebaran Threat Consultants.

From Barron's • Oct. 20, 2025

On July 30, the crescent moon will float among shining Jupiter, red Mars, the bright star Aldebaran and the pretty Pleiades star cluster before sunrise.

From Seattle Times • Jan. 31, 2024

The Pleiades are in the shoulder and the Hyades in the face of Taurus, Aldebaran most appropriately representing one of his blazing eyes as he hurls himself against Orion.

From Astronomy with an Opera-glass A Popular Introduction to the Study of the Starry Heavens with the Simplest of Optical Instruments by Serviss, Garrett Putman