select the most accurate statement

Astronomy
1st Edition
ISBN:9781938168284
Author:Andrew Fraknoi; David Morrison; Sidney C. Wolff
Publisher:Andrew Fraknoi; David Morrison; Sidney C. Wolff
Chapter21: The Birth Of Stars And The Discovery Of Planets Outside The Solar System
Section: Chapter Questions
Problem 24E: Kepler’s third law says that the orbital period (in years) is proportional to the square root of the...
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select the most accurate statement

a) If the ancient Greeks were able to observe parallax, they would have favored
the heliocentric system.
b) In the geocentric system, the retrograde motions of the planets are illusions.
c) Kepler discovered that the orbits of the planets, except for the Earth's orbit,
are ellipses with the Sun at the center.
d) Kepler's second law predicts that a planet will speed up as it approaches
the Earth and slow down as it approaches the Sun.
e) Galileo became convinced that the heliocentric system was true after he saw
that the planet Mars appeared in all phases.
Transcribed Image Text:a) If the ancient Greeks were able to observe parallax, they would have favored the heliocentric system. b) In the geocentric system, the retrograde motions of the planets are illusions. c) Kepler discovered that the orbits of the planets, except for the Earth's orbit, are ellipses with the Sun at the center. d) Kepler's second law predicts that a planet will speed up as it approaches the Earth and slow down as it approaches the Sun. e) Galileo became convinced that the heliocentric system was true after he saw that the planet Mars appeared in all phases.
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