Chapter 20 Test

What evidence do you have that the Earth rotates?

The purpose of constellations is to

How did Galileo discover that the sun rotates?

What does rotation give us?

The model that Copernicus constructed showed planets traveling in which orbital shape?

The apparent shift in the position of a star caused by Earth's motion is called

An eclipse can occur during a

The same side of the moon always faces Earth because

The spinning of a body on its axis is called

Whcih body is at the center of a heliocentric universe?

Waxing refers to.

A(n)__________ eclipse occurs when the Moon casts its shadow on Earth

Galileo observed several features using the telescope. Which of the following did he NOT discover?

How much time does it take the Moon to go around the Earth once?

If the visible Moon is said to be declining, the moon phase cycle is progressing from_________

In each orbit of its revolution around the Earth, the moon does not come directly between the sun and the Earth to produce an eclipse because

Why are eclipses so rare?

One of the discoveries that led to the modern view of the solar system was that the orbits of the planets are ______________.

What would be the eccentricity value of a perfect circle?

In the ptolemaic (Greek) model of the universe __________

Due to Aristitle's strong influence, most ancient Greeks viewed the universe

Why did Tycho Brahe not believe in the Copernican model?

How did Galileo's finding the four moons of Jupiter support Copernican theory?

Over the course on the year, in which direction do constellations appear to rotate in the Southern hemisphere?

The apparent westward drift of the planets as compared to the background stars is called ___________.