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[[Image:Rainbow.jpg|thumb|400px|right|A rainbow, seen from the island of Curaçao. Note: the bright spot is a clearing in the clouds; the sun is ''behind'' the photographer.]]  

[[Image:Rainbow.jpg|thumb|400px|right|A rainbow, seen from the island of Curaçao. Note: the bright spot is a clearing in the clouds; the sun is ''behind'' the photographer.]]  

A '''rainbow''' is an artistic circular [[color]] [[spectrum]] appearing in the [[sky]], predicted by the [[Bible]] as a sign from [[God]] after the [[Great Flood]].  Aa explained in [[Genesis_9-16_(Translated)#Chapter_9|Genesis 9:13]], [[God]] told [[Noah]] that the rainbow would remind God and Mankind of God's promise never to flood the [[Earth]] again: "I am setting My rainbow in the cloud, and it shall serve as a banner of a binding agreement between Me and the earth."

A '''rainbow''' is an artistic circular [[color]] [[spectrum]] appearing in the [[sky]], predicted by the [[Bible]] as a sign from [[God]] after the [[Great Flood]].  As explained in [[Genesis_9-16_(Translated)#Chapter_9|Genesis 9:13]], [[God]] told [[Noah]] that the rainbow would remind God and Mankind of God's promise never to flood the [[Earth]] again: "I am setting My rainbow in the cloud, and it shall serve as a banner of a binding agreement between Me and the earth."

Physicists describe rainbows based on the [[refraction]] and multiple [[reflection]]s of sunlight in droplets of [[water]]. Though appearing semicircular from the ground, rainbows are actually circular. Rainbows appear when water droplets are lit by direct sunlight, a condition that rarely occurs ''during'' a [[storm]], because the [[cloud]]s block the [[sun]]. Rainbows are frequently seen ''after'' a storm, when the falling rain has moved into the distance and the sun is roughly behind the observer when the observer is facing the patch of rain.

Physicists describe rainbows based on the [[refraction]] and multiple [[reflection]]s of sunlight in droplets of [[water]]. Though appearing semicircular from the ground, rainbows are actually circular. Rainbows appear when water droplets are lit by direct sunlight, a condition that rarely occurs ''during'' a [[storm]], because the [[cloud]]s block the [[sun]]. Rainbows are frequently seen ''after'' a storm, when the falling rain has moved into the distance and the sun is roughly behind the observer when the observer is facing the patch of rain.