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

Among the latter they only speak of Arcturus, Aldebaran, Pollux, Antares, and Betelgeuse as of a striking red colour.

From Astronomical Curiosities Facts and Fallacies by Gore, J. Ellard