Classical planet
Videos
A classical planet is an astronomical object that is visible to the naked eye and moves across the sky and its backdrop of fixed stars, appearing as wandering stars. Visible to humans on Earth there a
A table of alchemical symbols from Basil Valentine’s The Last Will and Testament, 1670 CE
Planets in astrology
Videos
In astrology, planets have a meaning different from the astronomical understanding of what a planet is. Before the age of telescopes, the night sky was thought to consist of two similar components: fi
The geocentric Ptolemaic system of the universe depicted by Andreas Cellarius, 1660–1661
Helios on a relief from Ilion (Troy), early 4th century BC
The Sun, the star at the center of the Solar System
Luna or Diana, wearing a crescent-moon crown and driving her ox-drawn chariot (biga), on the Parabiago plate (2nd–5th centuries AD)