HOMEWORK QUESTIONS

Be prepared to answer them in class!

 Date

Chapter

Question

Extra links

Oct 9

9

How do planetary interiors get hot? How do they cool?

Suppose the each of the terrestrial planets was born with twice the current mass.  Describe what would be different in their interiors.

Suggest how you might turn on or turn off the terrestrial magnetic fields.

 

11

9

How does one use impact craters to determine age?

Briefly describe the geology of the terrestrial objects 2.5 billion years ago.

 

16

9, 10

How did Earth and Venus get to be so different geologically?

What are the chemical composition of the terrestrial objects?' Which has what and why? Why no H and He?

What does the temperature of a terrestrial objects surface depend on?

How does temperature, density and pressure change with height and why?

Explain the difference in the temperature profiles of Mars, Earth and Venus.  (Figure 10.10)

18

10

What is a magnetosphere? How does it work?

How different is the atmosphere of Venus from the Earth's.  How did that come about?

What is a snowball earth and how do you avoid it?

What would you have to do to Mars to make it a nice place to live?

Mars

more Mars

23

11

.What do the interiors of the Jovian planets look like?  Why are they different than each other?

Explain figure 11.7. why are the temperature profiles different?

 

30

11

Describe the weather patterns on the Jovian planets?

How are the magnetic fields of the Jovian planets created?

Describe the consequences of the Jovian planets magnetic fields

Nov 1

11

Why are the 4 Galilean satellites and Titan and Triton so much different? Compare the interiors and atmospheres

Is there a chance for life out there?

What is Titan's atmosphere like? How does Titan manage to have erosion?

Life on Europa

Titan1 Titan2

6

11

What is Enceladus doing to create the E ring? What is Iapetus' problem

What is the difference between a regular satellite and an irregular satellite?

Why do planets have rings? How are the systems similar and what causes their differences?

What causes all of the gaps, ringlets, and other features of rings?

Enceladus

Iapetus

Satellites

Rings

8

12

What are the differences between asteroids, comets and trans-neptunian objects as to their orbits, physical properties and origins?

Deep impact

Stardusr

Rosetta

Eros

Asteroids

13

12

How are Kuiper Belt Objects differnt than asteroids and comets.

What does Neptune do to the orbits of the KBOs (TNOs)

What is the KT boundary and what does it have to do with impacts?

Edgeworth-Kuiper Belt & Pluto

KT Boundary

Meteorites

15

13

How do we detect extrasolar planets?

What have we found? Give some examples with a variety of orbital periods and eccentricities.

What does this tell us about planetary system formation?

 Kepler mission

JPL pages (read Science links)

New exoplanets

20

24

Is there life anywhere in the solar system other than Earth?

Is there life elsewhere in the Milky way?

Is there Intelligent life elsewhere in the Milky Way? If your answer is yes. can we communicate with them?

Try your own values in the Drake Equation.  Justify each one

Where are they?

 Drake Equation

Galactic Habitable Zone

Fermi paradox

Fermi 2

27

no class

29

no class

Dec 6

review

Dec 11, NOON Test2