Gemini's stars Riding high overhead on late winter evenings is the constellation Gemini, the "twins." This pattern of stars is marked by two bright stars, Castor and Pollux, which aren't exactly identical twins. To find this pair of luminaries, face south and look upward and to the left of the bright constellation Orion, marked by the famous trio of "Orion's Belt." At the upper left corner of Orion is the brilliant, fiery red-orange star Betelgeuse. Just off to the left is the beginning of the constellation Gemini. Castor and Pollux are off to the far left. Read more