space, outer space, aliens, extraterrestrials, Martians, space, stars, moons, stars, planets, venus, uranus, neptune, mars, saturn, mercury, pluto, sun, ceres, earth, globe, UFOs, Klingon, Star Trek, Spock, Kirk, Uhura, Sarek, Enterprise, various, robots, ships, rockets, shuttle, Endeavor, Atlantis, Discovery, Challenger, telescope, satellites, sts, several