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Question
4 Tycho Brahe's greatest contribution to astronomy was
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a.his 20 years of careful observations of planetary positions.
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b.his
model of the universe.
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c.his
telescopic observations of the moon.
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d.his
discovery of three laws of motion
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Question 5 While all of the
following are discoveries of Galileo,
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which
of the four listed is NOT one which DIRECTLY contradicts
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the
"Aristotelian" view of the heavens.
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a.The
discovery of "imperfections" on celestial bodies, such as
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mountains
and valleys on the moon and changing sunspots on the
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sun.
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b.The
discovery of the phases of Venus, ranging from new to
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crescent
to "quarter" to gibbous to full.
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c.The discovery that the Milky Way is actually composed of a
large
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number of very faint stars.
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d.The
discovery of four moons orbiting Jupiter.
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