Deck 12: The Beginnings of Modern Astronomy

Question 1

Eccentricity is used to describe the _____ of an orbit.

A) semi major axis
B) stretched out amount
C) time
D) area

Answer 1

stretched out amount

Question 2

Kepler's third law is _________.

A) Law of ellipses
B) Law of equal areas in equal times
C) P²=A³
D) Law of gravity

Answer 2

P²=A³

Question 3

Galileo found the following:

A) Jupiter's moons
B) Saturn was disfigured
C) Craters on the moon
D) All of the above are correct.

Answer 3

All of the above are correct.

Question 4

According to Kepler's 2nd law, a planet

A) has an elliptical orbit.
B) travels fastest when it is closest to the Sun.
C) travels fastest when it is farthest from the Sun.
D) has a period whose square is the same as the cube of its distance.

Question 5

This law states planets move in equal areas in equal times: _____________.

Question 6

Kepler used the observations of _____________.

Question 7

Galileo proved the planets moved in ellipses.

Question 8

Brahe took data to prove the Copernican heliocentric model.