How Far Is the Constellation Gemini From Earth?

far-constellation-gemini-earth Credit: David Nunuk/All Canada Photos/Getty Images

The constellation Gemini contains 85 major stars that vary in their distances from Earth. The closest star to Earth, Gliese 251, is around 17.99 light years from Earth.

The brightest star in Gemini, Pollux, is 34 light years away from Earth. Castor, the second brightest star in the constellation, is 52 light years from Earth. Other major stars in Gemini include Alhena at 105 light years from Earth, Wasat at 59 light years from Earth, Mebsuta, which is 900 light years from Earth and the double star Mekbuda, which is 1200 light years away from Earth. Eta Gem is a double-star that is 350 light years away, while Kappa Gem, a yellow giant, is 143 light years away.