11. How the solar system formed

11.1 Planet formation

11.1.1 What stages to circumstellar disks go through?

 

 

 

 

11.1.2 When do gas giant planets form?

 

 

 

 

11.1.3 When do terrestrial planets form?

 

 

 

 

11.1.4 What was the Late Heavy Bombardment?

 

 

 

 

11.2 Evidence for planets around stars other than the sun

11.2.1 How can we detect planets by measuring stellar Doppler shifts?

 

 

 

 

11.2.2 What other means do we have to detect, or at least infer the existence, of planets around other stars?

 

 

 

 

 

12. The Solar System

12.1 Overview of the solar system

12.1.1 Terrestrial planets, list and chief characteristics

 

 

 

12.1.2 Giant planets, list and chief characteristics

 

 

 

12.1.3 What are the trends in planet properties within the solar system, as the distance from the sun increases? What produced them?

 

 

 

 

13 Exploring planets: besides telescopes, what means have we used to explore planets (and the moon)?

 

 

 

 

 

 

 

14. The Earth

14.1 Interior of Earth

14.1.1 Why it has a core, how we know the core is molten

 

 

 

14.1.2 Layers of the earth, their basic characteristics

 

 

 

14.1.3 Plate tectonics, what they are, how they work

 

 

 

14.1.4 What produces the magnetic field of the earth?

 

 

14.2 Earth's atmosphere

14.2.1 Where did it come from

 

14.2.2 How has life affected it

 

15. Properties of the planets

15.1 The moon

15.1.1 How it formed

 

 

15.1.2 Age of the moon and how it is determined

 

 

15.1.3 How the cratering rate has changed over time

 

 

15.2 Mercury

15.2.1 Evidence for great heat during formation

 

 

 

 

15.2.2 Range of surface temperatures, why it is so large

 

 

 

 

15.3 Venus

15.3.1 Comparison with Earth

 

 

 

15.3.2 Surface features, composition

 

15.3.3 Venus greenhouse, how it works, what it does

 

 

15.3.4 Greenhouse on Earth, how it works

 

 

15.3.5 What effect are humans having on the earth's greenhouse effect?

 

 

15.4 Mars

15.4.1 Canals - what are they?

 

 

15.4.2 Geology - plate tectonics, volcanos

 

 

15.4.3 Weather - atmosphere

 

 

15.4.4 Evidence for water

 

 

15.5 Jupiter

15.5.1 Size compared with other planets, nature of the interior and "surface"

 

 

15.5.2 Internal energy and its effect on weather

 

 

15.5.3 Jupiter's magnetic field and what it tells us about the inside of the planet

 

 

15.5.4 What the surface of Jupiter is like

 

 

15.6 Saturn, Uranus, Neptune

15.6.1 Similarities and differences in internal structure between Saturn and Jupiter

 

 

 

15.6.2 How the internal structures of Uranus and Neptune differ from Jupiter and Saturn, and why

 

 

16. Smaller members of the solar system

16.1 Jupiter's moons

16.1.1 Io characteristics

 

 

16.1.2 Europa characteristics

 

 

16.1.3 Ganymede, Callisto, trend in properties with distance from Jupiter

 

 

16.2 Outer planet moons

16.2.1 Titan unique characteristics

 

 

 

 

16.2.2 Triton unique characteristics

 

16.2.3 Composition of smaller moons

 

 

16.3 How rings are formed

 

 

16.4 Pluto

15.4.1 How it was discovered

 

 

16.4.2 Relation of Pluto to system of small icy objects in outer solar system

 

 

16.4.3 Why Pluto was stripped of its former status as a planet

 

16.5 Solar system debris

16.5.1 Four major types (list)

 

 

 

16.5.2 Asteroids

16.5.2.1 Why they didn't form into a planet

 

16.5.2.2 What they are made of

 

16.5.3 Meteors - where they come from, what they are made of

 

16.5.4 Comets

16.5.4.1 How they are different from asteroids

 

16.5.4.2 Where they come from, how they get into the inner solar system

 

16.5.5 Kuiper Belt - what it is

 

 

 

17. Conditions for life

17.1 Long term climate

17.1.1 Size of variations in output of the sun

 

 

 

17.1.2 Solar cycle and climate

 

 

 

 

 

 

17.1.3 How we measure temperature for millions of years ago

 

 

 

 

17.1.4 Greenhouse effects and climate changes

 

 

 

 

 

17.1.5 Causes and effects of changes orbital geometry and tilt affecting the severity of the seasons

 

 

 

 

 

17.1.6 Other effects on the climate

 

 

 

 

17.2 Habitable zones

17.2.1 What is a "habitable zone"

 

 

 

17.2.2 List the most important conditions required to make life as we know it possible (11 of them)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18. Is life "out there"?

18.1   How life formed on Earth

18.1.1   Earliest forms of life

18.1.1.1 When did life first appear (that we have evidence for)

 

 

 

18.1.1.2 What form was the earliest life we know about?

 

 

 

18.1.1.3 What are the four key steps in getting to early life as we know it?

 

 

 

 

 

18.1.1.4 What role do errors in making copies play in forming life?

 

 

 

 

18.2 Life on Mars

18.2.1 Have we found evidence for life on Mars?

 

 

 

 

18.2.2 Why will we continue to look for it?

 

 

 

18.3 Advanced life

18.3.1 How long did take to get to cells without nuclei to cells with nuclei?

 

 

 

18.3.2 What was the Cambrian Explosion? How long from cells with nuclei to it?

 

 

 

 

 

18.3.3 How does sex assist in the development of complex life forms?

 

 

 

 

 

18.4    Mass extinctions

18.4.1 What role does chaos play in asteroid bombardment of the earth?

 

 

 

 

 

18.4.2 How is destruction spread over the Earth after a large impact?

 

 

 

 

18.4.3 Have we seen anything similar to the events leading to mass extinction on other planets?

 

 

 

 

18.5 Emergence of intelligent life

18.5.1 What is convergent evolution?

 

 

 

 

 

18.5.2 What is the encephalization level?

 

 

 

 

 

 

18.5.3 How has the encephalization level of the most "brainy" animals changed over the history of life on earth

 

 

 

 

18.5.4 Can we expect a similar pattern wherever complex life exists?

 

 

 

 

18.6 Contacting other civilizations

18.6.1 Why it is difficult to visit others

 

 

 

18.6.2 The Drake Equation, what (if anything) it tells us

 

 

 

 

18.6.3 Why we look for signs of radio transmissions by other civilizations