Planet the Drake equation, which estimates the number of intelligent, communicating civilizations that exist in the Milky Way. There are exoplanets that are much closer to their parent star than any planet in the Solar System is to the Sun, and there are also exoplanets that are much farther from their star. Mercury, the closest planet to the Sun at 0.4 AU, takes 88 days for an orbit, but the shortest known orbits for exoplanets take only a few hours, e.g. Kepler-70b. The Kepler-11 system has five of its planets in shorter orbits than Mercury's, all of them much more massive
Voyage to the Planet of Prehistoric Women a small piece of it is mine", although in fact his adaptation of the "Planeta Bur" material had much more original material than the other, made by Curtis Harrington. His then-wife Polly Platt worked on the film as a production designer. In a retrospective on Soviet science fiction film, British director Alex Cox compared the movie to "Voyage to the Prehistoric Planet" and called "Voyage to the Planet of Prehistoric Women" "equally classic". Voyage to the Planet of Prehistoric Women Voyage to the Planet of Prehistoric Women is a 1968 American science fiction film, one of two which were adapted