Zodiacal Constellations
The zodiacal constellations are a group of 12 (or 13, if Ophiuchus is included) star constellations that lie along the ecliptic, the apparent path of the Sun as observed from…
Zodiacal Light and Gegenschein: Mysterious Glows of the Night Sky
Overview Zodiacal Light and Gegenschein are faint, diffuse glows in the night sky caused by sunlight scattering off interplanetary dust. These phenomena are best observed in dark, clear conditions away…