kepler

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School

Metropolitan Community College, Penn Valley *

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130

Subject

Astronomy

Date

Feb 20, 2024

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docx

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Uploaded by DeanMask17219

Planetary Orbit Simulator Answer the following questions. Question 1: Which of the following is not part of Kepler's contribution to planetary orbits? a) gravity Question 2: Rank the following 4 ellipses below in order of increasing ellipticity. a) B, A, D, C Question 3: Which of the following look most like the orbit of Venus? a) Question 4: At which point or points is the planet slowing down? (planets shown here are assumed to be orbiting counter-clockwise) B,C,D

Question 5: With respect to the figure above, which of the following statements is true? a) The planet will cover region A in a faster amount of time than region B, because A has less area. Question 6: Using the graph, a planet with a semimajor axis of 10 will have an orbital period of about a) 32 years Question 7: The orbital period of Mars is a) longer than earth's orbital period because it is farther from the sun. Question 8: The acceleration of a planet is a) always towards the sun.

Question 9: If the arrows depicted in the picture represent velocity, which planet or planets is shown correctly? (Planets can be orbiting either clockwise or counterclockwise.) d) B, E Question 10: If a planet has a semimajor axis of 4 and an eccentricity of 0.2, how far is the planet at aphelion? a) 4.8

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kepler

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