Astronomy 4

Reading Overview for New Material,
Final Exam


Key Terms

Chapter 11: The Giant Planets

Voyager missions

Galileo (spacecraft)

Cassini (spacecraft)

photochemistry

synchrotron radiation

liquid metallic hydrogen


Chapter 12: Rings, Moons, and Pluto

tidal heating

occultation

shepherd moons

Clyde Tombaugh

properties of the following moons:

Io

Europa

Ganymede

Callisto

Titan

Triton

Charon


Review Questions

NOTE: There will not be a short-answer (written) question on the final exam. However, understanding the following review questions at the ends of the chapters will be helpful to you:

Chapter 11
Describe four differences between the Jovian planets and the Terrestrial planets.
What is the primary source of Jupiter's internal heat?
Why do the upper levels of Neptune's atmosphere appear blue?
Why didn't ancient astronomers know of Uranus's existence?

Chapter 12
Why are Jupiter's four biggest moons called "Galilean moons"?
Which planets have rings?
What powers Io's volcanoes?
How are the atmospheres of Earth, Titan, and Triton similar?
Why was Pluto reclassified as a dwarf planet?