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opposition |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.03 sec. |
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opposition, in astronomy, alignment of two celestial bodies on opposite sides of the sky as viewed from earth. Opposition of the moon or planets is often determined in reference to the sun. Only the superior planets, whose orbits lie outside that of the earth, can be in opposition to the sun. When a planet is in opposition to the sun, its elongation elongation, in astronomy, the angular distance between two points in the sky as measured from a third point. The elongation of a planet is usually measured as the angular distance from the sun to the planet as measured from the earth. ..... Click the link for more information. is 180°, it exhibits retrograde motion retrograde motion, in astronomy, real or apparent movement of a planet, dwarf planet, moon, asteroid, or comet from east to west relative to the fixed stars. ..... Click the link for more information. , and its phase phase, in astronomy, the measure of how much of the illuminated surface of a planet or satellite can be seen from a point at a distance from that body; the term is most often used to describe the moon as seen from the earth. ..... Click the link for more information. is full. This is a good time to observe a planet, since it rises when the sun sets and is visible throughout the night, setting as the sun rises. |
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Stripped down to its core, Patterson's argument is this: that the fact and presence of a large servile population in the Greek polis produces by reaction what he calls a "chordal triad" or "tripartite value," of "personal, sovereignal and civic freedoms," all developed out of a sense of oppositeness to the slave's state and condition. |
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