sentences:  In comparison, the Sun is about 4.6 billion years old and has a surface temperature of 5778 K.
  
  The star's apparent magnitude, or how bright it appears from Earth's perspective, is 3.53.Therefore, Epsilon Tauri can be seen with the naked eye.Epsilon Tauri b orbits its star with nearly 97 times the Sun's luminosity (97 ) every 645 days at a distance of 1.93 AU (compared to Mars' orbital distance from the Sun, which is 1.52 AU).