Mr. Harrington's Sections
Reading Overview for Exam 1
Chapter: Here and Now
Astronomical Unit (AU)
Milky Way Galaxy
Chapter: A User's Guide to the Sky
North celestial pole
South celestial pole
Minute of arc
Second of arc
Chapter: Origins of Modern Astronomy
Uniform circular motion
Epicycle (what was it supposed to explain?)
Kepler's Laws of Planetary Motion
Suggested Review Questions
"Here and Now" Review Questions
What is the difference between our solar system, our galaxy, and the universe?
What does the size of the star image in a photograph tell you?
"A User's Guide to the Sky" Review Questions
How does the Greek-letter designation of a star give you clues to its location and brightness?
How do the seasons in Earth's southern hemisphere differ from those in the northern hemisphere?
"Origins of Modern Astronomy" Review Questions
What evidence is there that early human cultures observed astronomical phenomena?
When Tycho observed the new star of 1572, he could detect no parallax. Why did that result undermine the Ptolemaic system?