Shadow
A shadow is an area where direct light from a light source cannot reach due to obstruction by an object. It occupies all of the space behind an opaque object with light in front of it. The cross section of a shadow is a two-dimensional silhouette, or reverse projection of the object blocking the light. The sun causes many objects to have shadows and at certain times of the day, when the sun is at certain heights, the lengths of shadows change.
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Famous quotes containing the word shadow:
“The best history is but like the art of Rembrandt; it casts a vivid light on certain selected causes, on those which were best and greatest; it leaves all the rest in shadow and unseen.”
—Walter Bagehot (1826–1877)
“I verily believe
My fair impression may
Be all from that one day
No shadow crossed but ours....”
—Robert Frost (1874–1963)
“before its great shadow joined
the walls and roof and seemed
to uphold the hall like a beam.”
—Denise Levertov (b. 1923)