Retrograde motion of superior planet always occurs when the planet is a) in conjunction with the...

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Physics

Retrograde motion of superior planet always occurs when theplanet is a) in conjunction with the moon b)brighter than averagec)near the autumnal equinox d) near a solstice e) dimmer thanaverage 2) The moon a) spins once on its axis relative to the sunevery 23 hours 56 mins. b) spins once on it axis relative to thesun every 24 hours c) spins once on its axis relative to the sunevery 29.5 days d) spins once on its axis relative to the sun every365 days e)never spins on its axis 3) The planets a) move faster intheir orbit around the sun in km/s, the closer they are to the sunb) are always located at the same right ascension and declinationin the sky c) are always found along the celestial equator d) arealways located at declinations greater than 60 degrees e) arealways observed along the meridian

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1 answer is option a When a superior planet and the Earth have the same right ascension on the celestial sphere ie the Earth Sun and superior planet all lie along the same line a superior conjunction occurs elongation 0 degrees A superior planet is at opposition when it is on the opposite of the Earth to the Sun elongation 180 degreesThe superior planets exhibit See Answer

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