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.
Stars are enormous celestial bodies hot enough to register millions of degrees. They're fascinating scientific phenomena, but is it actually possible for scientists to create them?
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?