Aldebaran is a red giant, meaning that it is cooler than the Sun with a surface temperature of 3,900 K, but its radius is about 45 times the Sun's, so it is over 400 times as luminous. As a giant star, it has moved off the main sequence on the Hertzsprung–Russell diagram after depleting its supply of hydrogen in the core.

2024年7月12日 · Discover Aldebaran, the bright orange star in Taurus – possibly part of a multiple star system and host to exoplanets! Learn how to find this star in the sky above you and why it’s fascinated people throughout history.

Aldebaran, reddish giant star in the constellation Taurus. Aldebaran is one of the 15 brightest stars, with an apparent visual magnitude of 0.85. Its diameter is 44 times that of the Sun. It is accompanied by a very faint (13th magnitude) red companion …

2017年4月12日 · Aldebaran is as an orange-red giant found in the constellation Taurus 65.3 light-years from Earth. It is the constellation's brightest star.

Aldebaran (pronounced “ al·deh·br·uhn”) is the brightest star in the constellation Taurus and is a prominent winter and spring star for those in the northern hemisphere. The star’s reddish-orange color marks the fiery ‘eye’ of the bull, which can be found in the V-shape group of stars representing the bull’s face.

2023年8月28日 · The giant red star Aldebaran, seen in the background in this artist's conception, is 65 light-years away from the sun in the constellation Taurus. It is 44 times the sun's diameter and hosts a planet several times the mass of Jupiter.

Aldebaran A is a orange-red giant star of spectral and luminosity type K5 III. The star may have a mass between one and 2.5 of Sol's (Hatzes and Cocharn, 1993) but around 40 to 52 times its diameter -- extending halfway to the planet Mercury in the Solar System so that it would be 20 degrees across in Earth's skies.

2020年1月20日 · Aldebaran is a red giant star of spectral type K5+ III and it is around 65 light-years / 20 parsecs away from the Sun. The star varies slowly in brightness between magnitude 0.75 and 0.95.

2025年1月28日 · Aldebaran (Alpha Tauri) is a orange to red giant star in the constellation of Taurus. It can be seen in the night sky. Aldebaran distance from Earth is 66.65 light years away.

ALDEBARAN (Alpha Tauri). Aldebaran is by far the brightest, and therefore the Alpha, star of the constellation Taurus. The ancient name, from Arabic, means "the Follower," as the star seems to follow the Pleiades, or Seven Sisters star cluster, across the sky.