Astronomy 221: Stars and Planets: Fall 2018
Instructor: Heather Morrison,
hlm5@cwru.edu, Sears 558, phone 368 6698
Admininistrative stuff: grading scheme, textbook
Class calendar:
Problem Set 1: due 5pm, Friday Sept 7
Problem Set 2: due 5pm, Friday Sept 21.
Problem Set 3: due 5pm, Friday Oct 5.
Midterm exam Wed Oct 17.
Problem Set 4: due in class, Wed Oct 24th
Fall Break Oct 22,23
Problem Set 5: due 5pm, Friday Nov 9.
Problem Set 6: due 5pm, Wednesday Nov 21.
Problem Set 7: due 5pm, Wednesday Dec 5
Final exam December 19, 12-3pm
Course Outline:
1. THE SOLAR SYSTEM
Overview of the Formation of the Solar System
Notes: Formation of the Solar System
Physical Processes: Gravity.
Kepler and Newton's Laws. Orbits. Energy and escape velocity
Applets
illustrating Kepler's laws
Notes: Physics governing orbits
Meteorites and Asteroids: orbits.
Minor planet center animations
Notes: orbits of bodies in the solar system
Physical Processes: Radiation Pressure.
Comets, Meteorites and Asteroids: Composition, dating, origins.
Oort cloud and Kuiper belt.
Notes: properties of comets and asteroids
Halley's comet from Giotto spacecraft
Notes: meteorites and age dating
Physical Processes: Collisions and Giant Impacts
Notes: Collisions in the solar system
Planetismal hypothesis revisited
Structure and surface of Mercury
Lunar reconaissance orbiter movie of the rotation of the Moon
The Moon: structure, formation, evolution
Timing of Earth and Moon formation
Simulations of giant
impact that formed the Moon, from Robin Canup, SW Institute
Moon evolution and tour from LRO mission
Physical Processes: Tidal Forces
Tides and tidal evolution: Earth/Moon system and evolution,
Mars' moons, Io. Mercury's spin-orbit coupling.
Notes: tides and tidal evolution
Physical Processes: Gravity vs Pressure.
Properties and interiors of the giant planets
Atmospheric equilibrium, scale height of atmospheres
Notes: Hydrostatic equilibrium and scale heights of atmospheres
Interiors of terrestrial planets. Heat budgets.
The Earth: internal structure,
temperature and pressure, plate tectonics and
seismology.
Notes: the Earth and its plate tectonics
Tectonics on other terrestrial planets
Notes: Heat budgets for planets
Physical processes: atmospheres
Where do atmospheres come from? giant vs terrestrial planets
Notes: How do planets lose atmospheres? Origin of
Earth's atmosphere
Greenhouse effect (notes from Prof Mihos)
Planets around other stars
Notes: exoplanets
NASA site on Finding Extrasolar planets
2. ASTRONOMICAL TECHNIQUES
Reading: Kutner Ch 4.
Notes: Telescopes and detectors
3. STARS: PHYSICS AND LIFE CYCLES
Notes: Measuring distances to stars
Physical Processes: Blackbody Radiation
Reading: Kutner Ch 2
Notes: Measuring brightness and color for stars
Reading: Kutner Ch 3
Notes: Classifying stellar spectra
Notes: The HR diagram: temperature vs luminosity
Notes: Stars - measuring mass and size.
Binary stars.
Physical Processes: Balancing gravity with energy output
Notes: The Sun -- nuclear fusion reactions
Notes: The Sun -- structure and radiative transfer
Notes: The interstellar medium and star formation
Notes: Stellar evolution for low mass
stars, white dwarfs
Notes: Evolution for high-mass stars,
and what remains.
Notes: Supernovae and neutron stars
Solutions
Solutions
Review session in Astronomy classroom, Sears 552, on Friday Oct 12.
Solutions
Solutions
Solutions
How did it happen? What constraints do we have?
Notes in PowerPoint form
Notes in PowerPoint form
Notes in PowerPoint form
Notes in PowerPoint form
Notes in PowerPoint form
Notes in PowerPoint form
Notes in PowerPoint form
Notes in PowerPoint form
The Roche limit: Giant planet rings and moons.
Notes in PowerPoint form
Notes in PowerPoint form
See also the description in Carroll and Ostlie pp530-534.