A vast giantstar, more than forty times the diameter of the Sun, Aldebaran has appears to have a planetary system with at least one planet in orbit, designated Aldebaran b and belonging to the class known as 'hot Jupiters'.
A prominent orangegiant, the 'eye' of the constellationTaurus. Its name
means 'the follower', because it follows the Pleiades across northern winter
skies.