Terrestrial versus Jovian Planets
The terrestrial planets are Mercury, Venus, Earth, and Mars. The Jovian planets are
Jupiter, Saturn, Uranus, and Neptune.
1. Write a list of the characteristics of terrestrial versus Jovian planets. Come up with as
Review Questions, page 40, Questions 4, 5, 7, 8, and 9
4. The Earth is constantly rotating under seemingly fixed star. Stars that were below the horizon at 10 PM
will be above the horizon at midnight and vice versa. This relates to the orbit
Review Questions, page 40, Questions 16, 17, and 18
16. The ecliptic is tilted relative to the celestial equator because the Earths equator is tilted relative to the
plane of the Earths orbit. The Sun appears to move eastward along the ecliptic one degree
Review Questions Page 135, Questions 16,17,18
Advanced Questions Page 136, Question 27
16. The rate an object emits electromagnetic radiation is proportional to (temperature in
kelvin) to the forth power. 2 to the fourth power is 16. It would increase by
Review Questions, page 399, Questions, 6, 9, 12
6. Uranus spins on its side which means the north pole points at the sun
and the northern hemisphere gets all day light for 20 years. Then it gets
equal days and nights for 20 years. Then the south pole face
Chapter 4 Dropbox
Review Questions, page 99, Questions 15, 16, and 18
Advanced Questions, page 100, Question 44
15. Keplers three laws are that every planets orbit is an ellipse with the sun at the focus, a line
joining the sun and a planet sweeps out equ
Review Questions, page 313, Question 5
page 314, Question 33, 38
5. Mercury doesn't have a substantial atmosphere because it's too small and hot. Due
to it being too small, it doesnt have a lot of gravity which causes gas to escape easily.
Due to the high
16. Why is the ecliptic tilted with respect to the celestial equator? Does the Sun appear to
move along the ecliptic, the celestial equator, or neither? By about how many degrees
does the Sun appear to move on the celestial sphere each day?
The ecliptic i
15. What are Keplers three laws? Why are they important?
First law: The orbit of a planet about the Sun is an ellipse with the Sun at one focus.
Second law: A line joining a planet and the Sun sweeps out equal areas in equal intervals of
1. What is happening to Polaris? Explain why this is so.
The Polaris is staying in the same spot because it is the North Star so it can always be seen.
2. What is happening to the other constellations? Specify the direction of the rotation.
Explain why th