It shows you the solar system viewed from top (90 heliocentric).

The objects have the following colors:

	Sun - yellow	Mercury - green
	Venus - white	Earth - cyan
	Mars - red	Jupiter - gray
	Saturn - green	Uranus - pink
	Neptune - cyan	Pluto is not included since it's way "off course"

A left click on the window changes the view between inner and outer planets.
A left click on the date increases the day/month/year. A right click on the
date does the opposite. Click the right mouse button on the solar system to
reset the date to the current date (which is in Universal Time).