ASTR 111 The Solar System and Its Origin
Fall 2021

Lecture Date

Topic

Reading

Workshop

Preliminaries: The scale of the Solar System and the Sun

Aug. 26 No class! No workshops this week!
Aug. 31 Inventory of the Solar System; a few facts about the Sun; blackbody radiation; nucleosynthesis Sec. 1.1, 1.3-1.4

The Moon and the four terrestrial planets: An introduction to the Solar System's rocky bodies

Sep. 2 Earth's moon: structure and composition; cratering; temperature Sec. 2.5.2, 3.4.2, 4.3, 4.6 Workshop 1
Sep. 7 Moon rocks: minerals, isotope fractionation, and radioisotropic age dating
Sep. 9 Mercury: its structure, composition, and orbit; differentiated structures and the moment of inertia Sec. 2.5.3, 3.4.3 Workshop 2
Sep. 14 Venus: volcanism, tectonics, and heating the interiors of terrestrial planets Sec. 2.1-2.2, 2.4-2.5, 3.4.4
Sep. 16 Venus and Earth: atmospheric circulation, Hadley cells, the greenhouse effect, and life Ch. 5 Workshop 3
Sep. 21 Earth and Mars: water, ice, and life; evidence of ancient Martian volcanism and tectonic activity Sec. 3.4.5

Celestial mechanics: Introduction, and the convenient example of the asteroids

Sep. 23 Newton's laws and orbital dynamics Sec. 7.2 Workshop 4
Sept. 28 Perturbation of orbits and orbital resonances: dynamics of the asteroid belt and meteorites; transfer orbits; the restricted three-body problem and Lagrange points Sec. 7.3.0-7.3.1
Sept. 30 Orbital perturbations and resonances (continued) Workshop 5
Oct. 5 The composition and age of asteroids and meteorites Sec. 7.3.2-7.3.4, Ch. 9
Oct. 7 Midterm #1, Practice Midterm #1 and Solutions No workshops this week!

The giant planets

Oct. 12 No class - Fall break!
Oct. 14 Jupiter: its atmosphere and magnetic field Sec. 6.2-6.3 Workshop 6
Oct. 19 Albedo, emissivity, and planetary surface temperature; heat conductivity, diffusion, and planetary interior temperature
Oct. 21 Saturn, Uranus, and Neptune; clouds and their formation, pressure in an isothermal atmosphere Sec. 6.4 Workshop 7
Oct. 26 Convection, adiabatic processes in ideal gases, temperature structure of atmospheres, winds and storms, Jeans escape of light molecules
Oct. 28 Planetary rings: tides, the Roche limit, and the Hill sphere Workshop 8
Nov. 2 Perturbations and resonances II: wave structure in rings, horseshoe orbits, ring shepharding, measurements of moments of inertia

Smaller denizens of the outer Solar System

Nov. 4 The moons of Jupiter: orbital resonances, tidal heating, thermal evolution, life, and the timescale of giant planet formation Sec. 3.4.6 Workshop 9
Nov. 9 The moons of Saturn, Uranus, and Neptune Sec. 3.3.4, 3.4.7
Nov. 11 Radiation forces, comet tails, and comets Sec. 7.5-7.6 Workshop 10
Nov. 16 Pluto, Eris, and the Kuiper Belt; Sedna and the Oort Cloud Sec. 7.4

The formation and evolution of planetary systems

Nov. 18 Planet formation from disks around young stars Sec. 1.2, 2.3, 8.2.1-8.2.5 Workshop 11
Nov. 23 Midterm #2, Practice Midterm #2 and Solutions
Nov. 25 No class! - Thanksgiving break No workshops this week!
Nov. 30 Planet formation (continued) Sec. 8.2.6-8.2.11
Dec. 2 Exoplanets Workshop 12
Dec. 7 Exoplanets (continued) No workshops this week!
Dec. 16 Final exam, Practice final exam and Solutions