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In Section 4-3 you learned about Tycho\'s observations of and Kepler\'s theories

ID: 2135588 • Letter: I

Question

In Section 4-3 you learned about Tycho's observations of and Kepler's theories on planetary motion. Based on what you learned about Tycho and Kepler's discoveries, select all of the correct statements from the following list.

A. Kepler's analysis showed that sun was still in fact at the exact center of the planetary orbits.

B. Prior to his analysis of the data, Kepler believed there should be a simple relationship between a planet's orbital period and its distance from the sun.

C. Kepler's laws of planetary motion more or less agreed with theories he had before he analyzed the data.

D. Kepler found that the speed of a planet varied throughout its orbit.

E. Tycho and Kepler worked together on the analysis of Tycho's observations.

F. Tycho made most of the observations used by Kepler.

G. Kepler discovered that planetary orbits are elliptical, not circular.


Explanation / Answer

A) True

B) True

C) False

D) True (indirectly through the 2nd law)

E) True ( tycho was assisted by kepler)

F) True

G) TRUE

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