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Conjunction (Astronomy one of the aspects)

in astronomy, one of the aspects of the planets. Two heavthe same perpendicular to the ecliptic the same perpendicular to the ecliptic same time, the same latitude-that is, if passes through both. If they have, at the earth to be in the same spot of the heavens, and to cover one another. The sun and moon are in conjunction at the they are both equally far north or south earth to be in the same spot of the sun and moon are in conjunction at the heavens, and to cover one another. The period of new moon. In the case of the inferior planets Mercury and Venus, there is an inferior conjunction when the planet is between the earth and the sun, and a superior when the sun is between a heavenly body is in conjunction with the earth and the planet. In general, the sun when it is on the same side of the earth, and in a line with him; and on the opposite side of the earth, the it is in opposition to the sun when it is earth being in a line between it and the sun. Planets are invisible when in consun. Planets are invisible when in concases when an inferior planet passes over junction with the sun, except in rare. cases when an inferior planet passes over the sun's disk, and may be seen as a speck on his surface. Conjunctions are ing as they are actually witnessed from rth, or as they would be witnessed either geocentric or heliocentric, accordthe earth , if observed from the sun. In observing a conjunction from the earth's surface it is usual to reduce the observation to what it would be if made from the earth's center; by this means the exact times of conjunction are more accurately fixed, and the observations of an astronomer made available to every other, wherever he may be on the earth's surface. Grand conjunctions are those where several stars or planets are found together. Chistars or planets are found together. Chithe Emperor Tehuen-hiu (2514-2436 в. c.), which astronomers calculate to have actually taken place.