Linked from
The 12 pages that link to Zodiacal light, each with the reason it gives.
AirglowCompared with: It is sunlight scattered in space, not light emitted by a planet’s atmosphere.
Cosmic dustBroader topic: Its glow traces dust released by comets and asteroids.
ZodiacRelated: It appears along the same sky belt that gives the zodiac its name.
Bortle scaleRelated: Its visibility is one of the scale’s indicators of a very dark sky.
Interplanetary dust cloudBroader topic: It is the cloud’s most familiar visible signature.