Mercury (planet) at a steep angle. Mercury is 10° above the horizon when the planet appears directly above the Sun (i.e. its orbit appears vertical) and is at maximum elongation from the Sun (28°) and also when the Sun is 18° below the horizon, so the sky is just completely dark. This angle is the maximum altitude at which Mercury is visible in a completely dark sky. At middle latitudes, Mercury is more often and easily visible from the Southern Hemisphere than from the Northern. This is because Mercury's maximum western elongation occurs only during early autumn in the Southern Hemisphere, whereas
Return to the Planet of the Apes Return to the Planet of the Apes Return to the Planet of the Apes is an animated series, by DePatie-Freleng Enterprises in association with 20th Century Fox Television, based upon "Planet of the Apes" by Pierre Boulle. Boulle's novel had previously inspired five films and a TV series, beginning with the 1968 film "Planet of the Apes" starring Charlton Heston. Unlike the film, its sequels, and the 1974 live action TV series, which involved a primitive ape civilization, "Return to the Planet of the Apes" depicted a technologically advanced society, complete with automobiles, film, and television; as such it more