Leo, a constellation and the fifth sign of the zodiac. The name means The Lion. Leo is bordered on the north by Leo Minor and Ursa Major, on the east by Cancer, on the south by Crater and Sextans, and on the west by Coma Berenices and Virgo. The constellation contains about 100 stars that can be seen with the unaided eye. Brightest is Alpha Leonis, also called Regulus and Cor Leonis.
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?
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.