0 relating to an area of the sky through which the sun, moon, and most of the planets appear to move, divided into twelve equal parts, each with a name and symbol, and each connected with an exact time of year: --
First, it was only an astrological and zodiacal symbol.
But this idea soon lost vogue while the zodiacal explanation gained wide currency.
The observations showed that zodiacal light is highly polarized, and that its intensity and polarization are nearly constant in time.
He considered radiation pressure as accounting for comets, the solar corona, the aurora borealis, and zodiacal light.
This overlap is a problem if this literal approach to the zodiacal constellations is adopted.
This is because the sidereal zodiac is superimposed upon the irregular zodiacal constellation, and there are no unambiguous boundaries of the zodiacal constellations.
At the base a painted figure of a zodiacal man showed the relationship between the signs of the zodiac and parts of the human body.
It has a sheet for each month and illustrates the positions of the moon, the planets and zodiacal constellations.