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opposition |
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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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| Where is the party in opposition that has not been decried as Communistic by its opponents in power? So that the man who should, for instance, go openly and knowingly in opposition to all that list would to your thinking, and indeed mine, too, of course, be an obscurantist or an absolute madman: would not he? I am well aware that it would be disingenuous to resolve indiscriminately the opposition of any set of men (merely because their situations might subject them to suspicion) into interested or ambitious views. |
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opposition
