In Fact the 3D Astronomer Planets DVD is not nearly the worlds. It has to do with the entire universe. It includes data regarding the Sun, the Moon, the moons of all the earths, 3840 near-earth planets, comets, meteors, greater than 100,000 stars, distant galaxies, red towers over, white overshadows, red giants, quasars, pulsars, great voids, as well as whatever else that is known about deep space.