please do all parts only correct option no explanation needed.........fast pleas
ID: 1872830 • Letter: P
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please do all parts only correct option no explanation needed.........fast please
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This computer graphic shows the back-and forth looping motion of Jupiter through the constellation Virgo every night for almost a year. Use it for the next four questions. 4) What do we call that odd, looping motion? Februay 23, 2017 a. celestial motion b. natural motion c. renegade motion d. retrograde motion ary 20, 2017 5) How would Ptolemy have explained that motion? a. It's an optical illusion caused by the moving earth passing by Jupiter. b. Jupiter rides on a small circle set into a larger circle as it orbits the earth c. The gravitation of other planets pulls it back and forth. d. He could not explain the motion, and that's why we don't use his model any more 6) How would Copernicus or Kepler have explained that motion? a. It's an optical illusion caused by the moving earth passing by Jupiter. b. Jupiter rides on a small circle set into a larger circle as it orbits the earth. c. The gravitation of other planets pulls it back and forth. d. They could not explain the motion, and that's why we don't use their models any more. 7) Speaking of Ptolemy, Carl Sagan said in his video that Ptolemy's model of the solar system "prevented the advance of astronomy for 1500 years." Why? a. It was backed by the Church and the intellectual system of the times, so it could not be challenged. b. It worked so well that no one had reason to challenge it;, science progresses when the model fails. c. Until the telescope was invented, there was no way to challenge it. d. During the Middle Ages, interest in science waned as old divilizations and empires crumbled. 8) Galileo discovered that Jupiter has four large moons orbiting it. Why was that such an important and controversial discovery? b. The older model said that each planet had just one moon, as does the earth. c. Other astronomers had said only three moons orbited d. Actually, it was not important or controversial; people were much more concerned about the earth. Jupiter; Galleo showed them to be wrong. 9) Are the four moons of Jupiter pulling on you right now? a. Yes, along with everything else in the universe. b. No, their gravity is between them and Jupiter. c. No, they are too far away to have any force on us at all. d. No, unless we are outside; the roof blocks their influence.Explanation / Answer
4) The apparent looping motion of Jupiter is called d) retrograde motion
5) d) Ptolemy could not explain the motion and that's why we don't use the model anymore
6) a) Kepler and Copernicus's model says it's an optical illusion caused by moving earth passing Jupiter
7) a) Ptolemy's model was backed by Church and the intellectual system. So it couldn't be challenged.
8) Galileo's observation was controversial because
a) everything in the older model was supposed to orbit the earth
9) The 4 moons of Jupiter are
a) pulling on you along with everything else in the universe
because the gravitational pull never becomes zero. It becomes small but never goes to exactly zero.
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