Gemini, a constellation and the third sign of the zodiac. The name in Latin means the twins. The constellation contains several relatively bright stars. Castor and Polluxthe two brightest starsare named after two brothers of Greek and Roman legend. In northern latitudes, Gemini is visible in the evening during the winter and early spring.
Sunspots are peculiar dark areas that show up regularly on the surface of the sun -- and often for no reason. What causes them? What effect could these funny little spots have on the Earth?
It's not a pleasant thought, is it? But when you mix chaos theory with a few crazy cosmologists, those tidy, predictable orbits start getting lively.