After a long cold winter, we now get to enjoy some spring observing. Gemini the Twins in one of Ptolemy’s 48 original constellations and in fact the word Gemini comes from the Latin meaning “twins”. Dominated by the stars Castor and Pollux, Gemini’s outlines twin figures. Mythology states Pollux is the son of the mighty Zeus whereas Castor was a mere mortal. As the story goes, they were placed in the sky to be together for all time. Although the two stars might appear close in brightness, they physical properties are quite different.