Hyades or Híadas. Group of seven stars, arranged in V, in the constellation of the 40 Bull;Taurus ). Includes the Red Star Aldebarán ( Alpha Tauri ) major, located on the eastern tip. The name of this stellar set alludes to his appearance at the end of may, as portent of proximity of the rainy season. Is derived from the Greek "Hyádes": the rainy, from the verb «hýein»: rain.