History of physics to simplify their production. In heliocentric models of the Solar system, the Earth orbits the Sun along with other bodies in Earth's galaxy, a contradiction according to the Greek-Egyptian astronomer Ptolemy (2nd century CE; see above), whose system placed the Earth at the center of the Universe and had been accepted for over 1,400 years. The Greek astronomer Aristarchus of Samos (c.310 – c.230 BCE) had suggested that the Earth revolves around the Sun, but Copernicus' reasoning led to lasting general acceptance of this "revolutionary" idea. Copernicus' book presenting the theory ("De revolutionibus orbium coelestium", "On the Revolutions of the
Journey to the Planets Journey to the Planets Journey to the Planets is game for the Atari 8-bit family. The player takes on the role of an interplanetary adventurer who has to solve various puzzles on the planets on which he lands. The game was originally released on disk and cassette in 1982 by JV Software. In 1983, Roklan Software published a cartridge version with some differences from the original. When starting the game, you find yourself on a strange planet where you can equip yourself with a weapon, refuel your energy, and blast off into space in a spaceship. From here you must