BoPlanets is a virtual planetarium, which shows the positions of the planets in the sun system relative to an observing planet, which can be selected out of the planets and the sun. The planets can be shown in various views. In the ecliptic view the Cartesian coordinates, in the equatorial view right ascension and declination, in the horizontal view azimuth and altitude of the planets relative to an observing planet are displayed. In the horizontal view the position of the observer on the observing planet can be selected out of a list of locations or directly by its longitude and latitude. ... [ read more about BoPlanets >> ]