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.
Scientists have discovered the existence of water on both our moon and on Mars. Both findings are significant, but what do they mean? Can we use this information to our advantage for space exploration?
The changing phases of the moon have given us an enduring curiosity about the dark side of the moon. But is there really a dark side of the moon? What would we see there?