Lunar Shadow

Shadow

A shadow is a dark area on a surface where light from a light source is blocked by an object. In contrast, shade occupies 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.

lunar

Adjective

1. Of, pertaining to, or resembling the Moon (that is, Luna, the Earth's moon).
2. Shaped like a crescent moon; lunate.

Noun

1. The middle bone of the proximal series of the carpus in the wrist, which is shaped like a half-moon.
2. An observation of a lunar distance (“the angle between the Moon and another celestial body”), especially for establishing the longitude of a ship at sea.

shadow

Noun

1. A dark image projected onto a surface where light (or other radiation) is blocked by the shade of an object.
2. Relative darkness, especially as caused by the interruption of light; gloom; obscurity.

Adjective

1. Unofficial, informal, unauthorized, but acting as though it were.
2. Having power or influence, but not widely known or recognized.