The term eclipse is most often used to describe either a solar eclipse, when the [http://en.wikipedia.org/wiki/Moon Moon's] [[shadow]] crosses the [[Earth]]'s surface, or a lunar eclipse, when the Moon moves into the shadow of Earth. However, it can also refer to such events beyond the Earth-Moon system: for example, a planet moving into the shadow cast by one of its moons, a moon passing into the shadow cast by its host [[planet]], or a moon passing into the shadow of another moon. A [http://en.wikipedia.org/wiki/Binary_Star binary star] system can also produce eclipses if the plane of their orbit intersects the position of the [[observer]].[http://en.wikipedia.org/wiki/Eclipse] | The term eclipse is most often used to describe either a solar eclipse, when the [http://en.wikipedia.org/wiki/Moon Moon's] [[shadow]] crosses the [[Earth]]'s surface, or a lunar eclipse, when the Moon moves into the shadow of Earth. However, it can also refer to such events beyond the Earth-Moon system: for example, a planet moving into the shadow cast by one of its moons, a moon passing into the shadow cast by its host [[planet]], or a moon passing into the shadow of another moon. A [http://en.wikipedia.org/wiki/Binary_Star binary star] system can also produce eclipses if the plane of their orbit intersects the position of the [[observer]].[http://en.wikipedia.org/wiki/Eclipse] |