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Gemini Constellation
Constellation Gemini the Twins Star Map

Gemini, the Twins (Gem)

(JEM-uh-nye)


The Northern constellation of Gemini, the Twins, is best viewed in Winter during the month of February. It's brightest star is Pollux at magnitude 1.15. The boundary of the Gemini constellation contains 11 stars that host known exoplanets.

      1. Pronunciation:
      2. JEM-uh-nye
      1. Meaning:
      2. Twins
      1. Genitive:
      2. Geminorum
      1. Abbreviation:
      2. Gem
      1. Constellation Family:
      2. Zodiacal
      1. Hemisphere:
      2. Northern
      1. Quadrant:
      2. NQ2
      1. Best viewing month*:
      2. February
      1. Right Ascension (avg):
      2. 6h 51m
      1. Declination (avg):
      2. 24° 49'
      1. Brightest star:
      2. Pollux  (1.15)
      1. Stars with planets:
      2. 11



    Brightest Stars in Gemini

    The 10 brightest stars in the constellation Gemini by magnitude.

        1. Star
        2. Magnitude
        3. Spectral class



      Double Stars in Gemini

      These are the brightest and easiest-to-find double, triple, and quadruple star systems in the constellation Gemini. Also see all star clusters.

          1. Star system
          2. Magnitudes
          3. Type
          1. Delta Geminorum
          2. 3.6, 8.2
          3. double
          1. Alpha Geminorum
          2. 1.9, 3.0
          3. double



        Star Clusters in Gemini

        The most notable and easy-to-find star clusters in the constellation Gemini . Also see all star clusters.

            1. Star cluster
            2. Catalog #
            3. Cluster type



          Nebulae in Gemini

          Notable and easy-to-find nebulae in the constellation Gemini . Also see all nebulae.

              1. Nebula name
              2. Catalog #
              3. Nebula type



            Neutron Stars in Gemini

            These are the most well-known neutron stars in the constellation Gemini. Although neutron stars cannot be seen in any amateur telescope, they are at the center of many supernova remnant nebulae, which can be seen. Also see all neutron stars.

                1. Neutron star
                2. Type



              Black Holes in Gemini

              These are the most well-known smaller (non-supermassive) black holes in the constellation Gemini. Although black holes cannot be seen directly, the smaller ones are at the center of some star clusters and supernova remnant nebulae, which can be seen. Supermassive black holes are at the center of most galaxies, such as Sagittarius A* at the center of our Milky Way galaxy. Also see all black holes.

                  1. Black hole
                  2. Type
                  1. LB-1
                  2. stellar



                Exoplanets in Gemini

                These are the most notable named exoplanet systems known in the constellation Gemini. Bear in mind that we will likely discover billions of exoplanets in the years to come. Also see all exoplanets.

                    1. Host star name
                    2. Exoplanet name

                  * For southern latitudes, flip the season listed. For example, if a constellation is listed as best viewed in the summer in the month of July, in the southern hemisphere the constellation would be best viewed in the winter in January and would be upside-down.

                  ** Circumpolar constellations are visible year-round in the hemisphere listed (and not at all in the opposite).