"I am come a light into the world, that whosoever believeth in me should not abide in darkness."—John xiii.
493. Why is the lunar rainbow fainter than a solar rainbow?
Because the light of the moon is the reflected light of the sun, and is therefore less intense.
A halo is a luminous ring, which forms between the eye of the observer and a luminous body.
Haloes may appear around the disc of the sun, moon, or stars. But in this country the lunar haloes are the most remarkable and frequent.
495. What is the cause of the luminous ring?
The refraction of light as it passes through an intervening cloud, or a stratum of moist and cold air.