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An asteroid, or minor planet, discovered by Olbers in 1807.

es the least distance from the sun at which, when the sun is below the horizon, a star or planet emerging from his rays becomes visible. -- Beatific vision (Theol.), the immediate sight of God in heaven. -- Direct vision (Opt.), vision when the image of the object falls directly on the yellow spot (see under Yellow);…

, endowed with a rapid rotary motion around an axis which was also the axis of a sun or a planet. Descartes attempted to account for the formation of the universe, and the movements of the bodies composing it, by a theory of vortices.

Any planet or heavenly body, especially when considered as inhabited, and as the scene of interests analogous with human interests; as, a plurality of worlds. "Lord of the worlds above." I. Watts. Amongst innumerable stars, that shone Star distant, but high-hand seemed other worlds. Milton. There may be other worlds, w…

The time in which any planet completes a revolution about the sun; as, the year of Jupiter or of Saturn.

Of or pertaining to the zodiac; situated within the zodiac; as, the zodiacal planets. Zodiacal light, a luminous tract of the sky, of an elongated, triangular figure, lying near the ecliptic, its base being on the horizon, and its apex at varying altitudes. It is to be seen only in the evening, after twilight, and in t…