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