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:

    Mark where the pressing wind shoots javelin-like
    Its skeleton shadow on the broad-backed wave!
    Here is a fitting spot to dig Love’s grave;
    George Meredith (1828–1909)

    Erasmus was the light of his century; others were its strength: he lighted the way; others knew how to walk on it while he himself remained in the shadow as the source of light always does. But he who points the way into a new era is no less worthy of veneration than he who is the first to enter it; those who work invisibly have also accomplished a feat.
    Stefan Zweig (18811942)

    The whole shadow of Man is only as big as his hat.
    Elizabeth Bishop (1911–1979)