1
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- Solar Nebula
- Terrestrial Planets
- Properties of Earth
- Greenhouse Effect (cf. Venus, Mars)
- Cratering, origin of moon
- Jovian Planets
- Properties of Jupiter, composition, atmosphere
- Rings, Notable Moons
- “Debris”
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2
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- We’ve covered this material fast – exam will not cover subtle concepts
or obscure facts. Very basic
information and only the most fundamental ideas.
- Things you should know include:
- Order of planets in solar system, general sizes of orbits, sizes and
compositions of the planets (also asteroids and comets in general,
notable moons).
- How these items fit into the solar nebula picture.
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3
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4
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- Solar Nebula Hypothesis
- Context for Understanding Solar System
- Extrasolar Planets
- Dust Disks, Doppler Shifts, Transits and Eclipses
- Survey of the Solar System
- Terrestrial Planets
- Jovian Planets
- Other “Stuff” including apparent patterns with application to the
nebular hypothesis
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5
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- Comparative Planetology
- Earth
- History, Interior, Crust, Atmosphere
- The Moon
- Mercury
- Venus
- Mars
- Including water (and life ?)
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6
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- Jupiter
- Condensation model (Ice and Velcro effect)
- Atmospheric winds
- Atmospheric chemistry
- Magnetic fields
- Other Jovian Planets (Saturn, Uranus, Neptune)
- will only cover major differences from Jupiter
- Satellites (i.e. Moons)
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7
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- Small bodies, not geologically active
- “Fossil” record of early solar system
- Asteroids
- Mostly from region between Mars and Jupiter
- Left over small debris from accretion, never assembled into a large
planet
- Meteorites come mostly from asteroids
- Comets
- “Stored” on large elliptical orbits beyond planets
- Thought to be “planetesimals” from Jovian planet region, almost
ejected from solar system in its early history
- Brought water to earth, cause meteor showers
- Meteorites are “asteroids” fallen to Earth
- Pluto, Kuiper Belt Objects
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8
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- Example questions:
- Multiple choice:
- On a photograph of the moon, the moon measures 30 cm in diameter and a
small crater measures 0.2 cm.
The moon’s physical diameter is 1738 km. What is the physical diameter of the
small crater?
- About 1738 km
- About 12 km
- About 520 km
- About 350 km
- About 3.5 km
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9
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- Example questions:
- Multiple choice:
- Though Titan is small, it is able to retain an atmosphere because?
- It is very cold.
- It is very dense.
- It rotates very slowly.
- It attracts gas from the solar wind.
- It has a very strong magnetic field.
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