A shadow is a dark area where light from a light source is blocked by an object. It occupies all of the three-dimensional volume behind an object with light in front of it. The cross section of a shadow is a two-dimensional silhouette, or a reverse projection of the object blocking the light.

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Not who you're looking for? Others named shadow: fictional alien species in Babylon 5 · episode of Buffy the Vampire Slayer (S5 E8) · single from Ashlee Simpson · 2009 film by Federico Zampaglione