Green light, with its shorter wavelength, can be separated from the ... world and the tricks light can play on our perception. Zodiacal light is a faint, diffuse, triangular glow that graces ...

That thin lucence is called the Zodiacal light. Over the opposite side of the night horizon is another just perceptible glow rarely perceived called the Gegenschein, or counterglow. In the tropics ...

Sunlight scatters off the mingled dust and sets it aglow. It's brighter nearer the horizon because we're looking more closely ...