出典:Wikipedia
出典:『Wikipedia』 (2011/04/18 18:01 UTC 版)
Epsilon Tauri (ε Tau, ε Tauri) is an orange giant star, spectral type of K0 III, located approximately 147 light-years away from the Sun in the constellation of Taurus. It is a member of the Hyades open cluster. It has the traditional names Ain (Arabic عين), or Oculus Borealis, both of which mean "eye".