Zodiacal light is a faint,
The zodiacal light decreases in intensity with distance from the Sun, but in naturally dark skies, it is visible as a band completely around the ecliptic. In fact, the zodiacal light covers the entire sky and is largely responsible
 for the total natural skylight on a moonless, clear night. Another phenomenon—a faint, but slightly brighter, oval glow—directly opposite of the Sun is the
The dust in the
In the mid-latitudes, the zodiacal light is best observed in the western sky in the spring after the evening
The dust further from the ecliptic is almost undetectable except when viewed at a small angle with the sun. Thus it is possible to see more of the width at small angles toward the sun, and it appears wider near the horizon, closer to the sun under the horizon.