Planet’s Visibility presents a 3-color graph that shows when a planet, the moon or the sun is visible during any year from 3000 BC to AD 6000 at any location on the earth. The vertical axis marks the months of the year, the horizontal axis marks the......
SimSolar - Solar System Simulator for Windows. Planet labels and orbits can be activated for easier understanding. Includes simple display and controls, speed control, tilt and rotation options for easy viewing, earth centered mode and spirograph opt......