Astronomy Today Volume 2: Stars and Galaxies (9th Edition)
9th Edition
ISBN: 9780134566214
Author: Eric Chaisson, Steve McMillan
Publisher: PEARSON
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Chapter 2, Problem 2MC
To determine
The correct optionfor the major flaw in Copernicus's model that it still had, from the following options,
(a) the Sun at the center
(b) Earth at the center
(c) retrograde loops
(d) circular loops
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What was so significant about Tycho Brahe's observations of the position of the planets that enabled Kepler to eventually come up with his theory that planets orbit the Sun in ellipses rather than circles?
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Chapter 2 Solutions
Astronomy Today Volume 2: Stars and Galaxies (9th Edition)
Ch. 2 - Prob. 1DCh. 2 - Prob. 2DCh. 2 - Prob. 3DCh. 2 - Prob. 4DCh. 2 - Prob. 5DCh. 2 - Prob. 6DCh. 2 - Prob. 7DCh. 2 - Prob. 8DCh. 2 - Prob. 9DCh. 2 - Prob. 10D
Ch. 2 - Prob. 11DCh. 2 - Prob. 12DCh. 2 - Prob. 13DCh. 2 - Prob. 14DCh. 2 - Prob. 15DCh. 2 - Prob. 1MCCh. 2 - Prob. 2MCCh. 2 - Prob. 3MCCh. 2 - Prob. 4MCCh. 2 - Prob. 5MCCh. 2 - Prob. 6MCCh. 2 - Prob. 7MCCh. 2 - Prob. 8MCCh. 2 - Prob. 9MCCh. 2 - Prob. 10MCCh. 2 - Prob. 1PCh. 2 - Prob. 2PCh. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Prob. 6PCh. 2 - Prob. 7PCh. 2 - Prob. 8P
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- Explain how Kepler was able to find a relationship (his third law) between the orbital periods and distances of the planets that did not depend on the masses of the planets or the Sun.arrow_forwardWhy did Kepler need Tycho Brahe’s data to formulate his laws?arrow_forwardIn what ways did the work of Copernicus and Galileo differ from the views of the ancient Greeks and of their contemporaries?arrow_forward
- Are Kepler’s laws purely descriptive, or do they contain causal information?arrow_forwardWhat two factors made it difficult, at first, for astronomers to choose between the Copernican heliocentric model and the Ptolemaic geocentric model?arrow_forwardWhy would Aristotles explanation of gravity not work if Earth is not the center of the Universe?arrow_forward
- What is the Copernican principle? Make a list of scientific discoveries that confirm it.arrow_forwardHow did the telescopic observation of Galileo support the heliocentric model of the solar system?arrow_forwardHow did Copernicus affect modern astronomy by providing a new paradigm for explaining the earth's displacement from the center of the universe?arrow_forward
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