Do now-4/19

1. Which of the following astronomers is known for his work in gravity and inertia?

• Ptolemy

• Galileo

• Newton

• Copernicus

2. Which of the following astronomers is known for inventing the telescope?

• Ptolemy

• Galileo

• Newton

• Copernicus

3. Which of the following astronomers is known for believing the earth was the center of the solar system?

• Ptolemy

• Galileo

• Newton

• The Pope

4. What does geocentric mean?

• Earth in the center

• Sun in the center

• Mars in the center

5. How is our solar system arranged?

• geocentric

• heliocentric

Copernicus used math to prove that.....

Kepler supported

• Heliocentric

• Geocentric

• Epicycles

• Elliptical orbits