About this course: Learn about the science behind the current exploration of the solar system in this free class. Use principles from physics, chemistry, biology, and geology to understand the latest from Mars, comprehend the outer solar system, ponder planets outside our solar system, and search for habitability in our neighborhood and beyond. This course is generally taught at an advanced level assuming a prior knowledge of undergraduate math and physics, but the majority of the concepts and lectures can be understood without these prerequisites. The quizzes and final exam are designed to make you think critically about the material you have learned rather than to simply make you memorize facts. The class is expected to be challenging but rewarding.
Created by: Caltech
Taught by: Mike Brown, Professor
Planetary Astronomy
| Language | English |
| How To Pass | Pass all graded assignments to complete the course. |
| User Ratings |
Syllabus
WEEK 1
Unit 1: Water on Mars (week 1)
11 videos, 1 reading
- Video: Introduction to Science of the Solar System
- Demande de discussion: Welcome! Please introduce yourself.
- Video: Lecture 1.01: Early views of Mars
- Demande de discussion: What's in the sky right now?
- Video: Lecture 1.02: Mars has canals!
- Video: Lecture 1.03: Taking the temperature of Mars
- Video: Lecture 1.04: Mars DOES have water (in the atmosphere)!
- Lecture: Note on the next lecture
- Video: Lecture 1.05: Heating and composition of the polar caps
- Video: Lecture 1.06: Let's fly to Mars
- Video: Lecture 1.07: The first missions to Mars
- Video: Lecture 1.08: Water on earth
- Video: Lecture 1.09: Mariner 9 -- Mars had FLOWING water!
- Demande de discussion: Groundwater sapping or not?
- Video: Lecture 1.10: Viking and the start of modern Martian science
Graded: Quiz 1
WEEK 2
Unit 1: Water on Mars (week 2)
10 videos
- Video: Lecture 1.11: Craters and surface ages
- Video: Lecture 1.12: Outflow channels
- Video: Lecture 1.13:Valley Networks
- Video: Lecture 1.14: Climate cycles on Mars
- Demande de discussion: Polar layered terrains?
- Video: Lecture 1.15: Was early Mars warmer and wetter?
- Video: Lecture 1.16: Atmospheric escape
- Video: Lecture 1.17 Martian topography
- Video: Lecture 1.18: Gamma ray spectroscopy and subsurface water
- Video: Lecture 1.19: Glaciers on Mars!
- Video: Lecture 1.20 Origin of low latitude ice
Graded: Quiz 2
WEEK 3
Unit 1: Water on Mars (week 3)
10 videos, 1 reading
- Video: Lecture 1.21: Evolution of the interior
- Video: Lecture 1.22: Thermal spectroscopy and mineral identification
- Video: Lecture 1.23: Geology from the Opportunity rover
- Video: Lecture 1.24: Geochemistry from the Opportunity rover
- Video: Lecture 1.25: Introduction to guest lecturers
- Lecture: Note on the next lectures
- Video: Lecture 1.26: Mineralogy on Mars, Part 1
- Video: Lecture 1.27: Mineralogy on Mars, Part 2
- Video: Lecture 1.28: Results from the Curiosity Rover, Part 1
- Video: lecture 1.29: Results from the Curiosity Rover, Part 2
- Video: Lecture 1.30: Where was the water on Mars?
- Demande de discussion: Where was the water on Mars?
Graded: Quiz 3
WEEK 4
Unit 2: The insides of giant planets (week 1)
11 videos, 1 reading
- Lecture: Note on the next section
- Video: Lecture 2.01: Introduction to Jupiter
- Video: Lecture 2.02: Measuring density
- Demande de discussion: Transit of Venus!
- Video: Lecture 2.03: Using density
- Video: Lecture 2.04: Hydrostatic equilibrium
- Video: Lecture 2.05: Hydrogen equation of state
- Video: Lecture 2.06: Heat transport
- Video: Lecture 2.07: Theoretical internal structure
- Video: Lecture 2.08: A core from gravity?
- Video: Lecture 2.09: Magnetic fields
- Video: Lecture 2.10: The upper atmosphere and the Galileo probe
- Video: Lecture 2.11: Picture models
Graded: Quiz 4
WEEK 5
Unit 2: The insides of giant planets (week 2)
10 videos
- Video: Lecture 2.12: Planetesimal formation
- Video: Lecture 2.13: Core formation
- Video: Lecture 2.14: Core-collapse vs. Disk instability
- Demande de discussion: Core collapse vs. disk instability?
- Video: Lecture 2.15: Saturn and the ice giants
- Video: Lecture 2.16: Discovering hot Jupiters
- Video: Lecture 2.17: Densities of hot Jupiters
- Video: Lecture 2.18: Inflating hot Jupiters
- Video: Lecture 2.19: Kepler and the sub-Neptunes
- Video: Lecture 2.20: Exoplanet spectroscopy
- Video: Lecture 2.21: Juno and future exploration
- Demande de discussion: Juno results?
Graded: Quiz 5
WEEK 6
Unit 3: Big questions from small bodies (week 1)
12 videos
- Video: Lecture 3.01: Introduction to the small bodies
- Video: Lecture 3.02: The formation of small bodies
- Video: Lecture 3.03: The formation of terrestrial planets
- Video: Lecture 3.04: The surface density of the solar system
- Video: Lecture 3.05: An ode to comets
- Video: Lecture 3.06: The composition of comets
- Video: Lecture 3.07: Where do comets come from?
- Video: Lecture 3.08: The formation of the Oort cloud
- Video: Lecture 3.09: Meteorites and the beginning of the solar system
- Demande de discussion: Lead-lead dating
- Video: Lecture 3.10: Types of meteorites: Chondrites
- Video: Lecture 3.11: Types of meteorites: Achondrites
- Video: Lecture 3.12: Asteroids and meteorite delivery
Graded: Quiz 6
WEEK 7
Unit 3: Big questions from small bodies (week 2)
9 videos
- Video: Lecture 3.13: Asteroid compositions
- Video: Lecture 3.14 : Pictures of asteroids
- Video: Lecture 3.15: Asteroid hazards
- Video: Lecture 3.16: The Kuiper belt
- Video: Lecture 3.17: Properties of dwarf planets
- Video: Lecture 3.18: Dynamical instabilities
- Demande de discussion: Lucy!
- Video: Lecture 3.19:The Grand Tack
- Video: Lecture 3.20: Planet Nine
- Video: Lecture 3.21: A trip to the Subaru telescope
Graded: Quiz 7
WEEK 8
Unit 4: Life in the solar system (week 1)
10 videos
- Video: Lecture 4.01: Introduction to life
- Demande de discussion: Life as we do (or don't) know it
- Video: Lecture 4.02: Photosynthesis
- Video: Lecture 4.03: Water
- Video: Lecture 4.04: Alternative energy sources
- Video: Lecture 4.05: History of life on Earth
- Video: Lecture 4.06: Mars -- The Viking experiement
- Video: Lecture 4.07: Mars -- Microbial hitchhikers
- Video: Lecture 4.08: Mars -- Methane?
- Video: Lecture 4.09: Mars -- Methane!!
- Video: Lecture 4.10: Mars -- a habitable environment
Graded: Quiz 8
WEEK 9
Unit 4: Life in the solar system and beyond (week 2)
11 videos
- Video: Lecture 4.11: Oceans on Europa
- Video: Lecture 4.11: Energy on Europa
- Video: Lecture 4.12: Exploring Europa
- Demande de discussion: Europa Clipper!
- Video: Lecture 4.13: Enceladus
- Video: Lecture 4.14: Introduction to Titan
- Video: Lecture 4.15: Weird life on Titan
- Video: Lecture 4.17: Habitable zones
- Video: Lecture 4.18: Detecting exo-life
- Video: Lecture 4.19: Looking around M-dwarfs
- Demande de discussion: Planets!
- Video: Lecture 4.20: A mission to find life in the solar system
- Video: Lecture 4.21: All good things must come to an end
Graded: Quiz 9
WEEK 10
Final exam
4 videos, 1 reading
- Lecture: Bonus material
- Video: Bonus: The formation of the moon
- Video: Bonus: What we used to think about Sedna (before we knew about Planet Nine!)
- Video: Bonus: Seasons on Titan
- Video: Bonus: Why Pluto had to die
Graded: Final exam
FAQs
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Creators
Caltech
Caltech is a world-renowned science and engineering research and education institution, where extraordinary faculty and students seek answers to complex questions, discover new knowledge, lead innovation, and transform our future. Caltech's mission is to expand human knowledge and benefit society through research integrated with education. We investigate the most challenging, fundamental problems in science and technology in a singularly collegial, interdisciplinary atmosphere, while educating outstanding students to become creative members of society.
Ratings and Reviews
Best course so far!
Fascinating subjects presented brilliantly by Mike Brown (and his two colleagues)
This has been my favuorite course so far! Really interesting and totally challenging.
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ey
Awesome! Completing this course gave me the ability to form my own opinions about developments of space exploration. I learned not just raw info about the solar system but also the methods the astronomers use in order to explore the universe and find out about its origins, going back billions of years ago. Just what I expected from this course.