Name_____________________ Night Astronomy
Assignment 7
Historical Astronomy
1. What was a major contribution of
Ptolemey’s model?
2. Draw a simplified Earth / Planet model
of the Ptolemy system.
3. Watch the youtube video of the Ptolemy
model. What planet has the largest
epicycle (circle within a circle)?
4. Diagram the Copernicus Heliocentric
model.
5. Johannes Kepler: Why did Kepler and Brahe not get
along?
6. What system did Kepler firmly believe
in?
7. What is the
eccentricity of an ellipse?
8. List Kepler’s
three laws on Planetary motion.
1.
2.
3.
9. What were some
of Galileo’s contributions to astronomy?
10. Describe what Galileo’s telescope was
like.
11. Why did
Galileo eventually go blind?
12. What were Isaac Newton’s contributions
to Physics and Astronomy?
13. What was special or better about
Newton’s telescope?
14. How does Albert Einstein’s Theory of
Relativity look at space and time?
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