_______ used the extensive records of planetary positions measured by ______ to discover that the orbits of the planets are ________.
A) Tycho; Kepler; circular
B) Tycho; Kepler; elliptical
C) Kepler; Tycho; elliptical
D) Kepler; Galileo; elliptical
Correct Answer:
Verified
Q44: The general heliocentric model proposed by Copernicus
Q45: In _ models, the Sun is assumed
Q46: Galileo was the first to observe the
Q47: In Copernicus' model of the solar system,
Q48: _ major contribution to astronomy is his
Q50: Kepler's _ law states that the orbits
Q51: From Kepler's _ law, we conclude that
Q52: From Kepler's _ law, we conclude that
Q53: Observations indicate that it takes Saturn longer
Q54: The time between the vernal equinox and
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