Astronomy 4

Reading Overview for Final Exam


Key Terms

Chapter: Jupiter and Saturn

oblateness

liquid metallic hydrogen

Roche limit

tidal heating

shepherd satellite

properties of the following moons:

Io

Europa

Ganymede

Callisto

Titan


Chapter: Uranus, Neptune, Pluto, and the Kuiper belt

occultation

transit

properties of the following moons:

Miranda

Triton

Charon


Review Questions

Jupiter and Saturn
Describe four differences between the Jovian planets and the Terrestrial planets.
Why are magnetic phenomena such as extensive radiation belts and auroras so strong around Jupiter?
How do the interiors of Jupiter and Saturn Differ? How does this difference affect the magnetic fields of Jupiter and Saturn?

Uranus, Neptune, Pluto, and the Kuiper Belt
Why didn't ancient astronomers know of Uranus's existence?
If Uranus and Neptune had no rings at all, would you expect them to have rings? Why or why not?
How are the atmospheres of Earth and Triton similar?
Why was Pluto reclassified as a dwarf planet?