The constellation of Gemini includes which two bright stars?
A. Rosencratz and Guildenstern B. Castor and Pollux C. Captain and Tenille D. Scylla and Charybdis
B. Castor and Pollux
What was believed to be a hemisphere above the ground, carrying the fixed stars and surrounding the seven spheres of the planets, through which the Sun and Moon moved in and out through a series of openings?
