Shadow

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:

    Nor now the long light on the sea—
    And here face downward in the sun
    To feel how swift how secretly
    The shadow of the night comes on . . .
    Archibald MacLeish (1892–1982)

    I was the shadow of the waxwing slain
    By the false azure in the windowpane;
    I was the smudge of ashen fluff—and I
    Lived on, flew on, in the reflected sky.
    Vladimir Nabokov (1899–1977)

    In order to be somebody you have to hold even your shadow in high regard.
    Friedrich Nietzsche (1844–1900)