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Class Notes for Earth Sciences at Simon Fraser University

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EASC 108 Lecture Notes - Lecture 20: Kuiper Belt, Oort Cloud, Semi-Major And Semi-Minor Axes

REVIEW Solar system formation - Geocentric vs heliocentric ideas o E.g., Ptolemy vs Copernicus - Kepler, Galileo, and newton’s laws o Ecliptic orbits, perihelion, aphelion, semi-ma...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 19: Carbonaceous Chondrite, Murchison Meteorite, Spark Chamber

LIFE From There to Here The Puzzle of Life: how inanimate chemicals available on early Earth led to complex life forms First step: creation of complex organic molecules amino acids from more simple inorganic compounds N...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 17: Semi-Major And Semi-Minor Axes, Orbital Period, Moons Of Haumea

DWARF & OUTER PLANETS Recall: Dwarf Planets - Currently, 5 recognised dwarf planets in the Solar System o Pluto, Eris, Makemake, Haumea and Ceres Ceres - Was largest known asteroid - R...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 16: Kuiper Belt, Dwarf Planet, Clyde Tombaugh

PLUTO & THE OUTER PLANETS Recall: Rocky vs. Icy Worlds - Rock melts at higher temperatures - Only large rocky planets have enough heat for activity - Ice melts at lower temperatures - Tidal heati...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 15: Smog, Appalachian Mountains, Ecliptic

JOVIAN MOONS Jovian Satellites All Jovian planets have numerous moons. - Most of large & medium sized moons (density > 2g/) probably formed in accretion disks of the planets o All spherical, ...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 12: Spectroscopy, Late Heavy Bombardment, Orbital Period

MARS Basics - 4 planet from Sun (1.5 AU), 7 largest world Orbit: 1.88 Earth years Sidereal rotation: 24hr 37min Surface gravity: 3.71m/s² (39% of Earth) Atmosphere: 0.0...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 14: Shepherd Moons, Roche Limit, Amorphous Carbon

JOVIAN RINGS The Rings - All Jovian planets have a ring system - Saturn’s rings most prominent - Others have smaller, darker ring particles Ring Formation - Rings occur within 2-3 radii away (Roc...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 9: Regolith, Asthenosphere

THE MOON Moon: Basics th - Earth’s nearest neighbour, 14 largest world (3376km) Density: 3300 kg/m 3 Orbit: 27.3 Earth days Sidereal Day: 27.3 ...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 10: Caloris Planitia, Seismic Wave, Rupes

MERCURY Mercury Basics th - Closest to Sun (0.4 AU), 10 largest world - Orbit: 88 Earth days - Sidereal day: 58.6 Earth days - Surface gravity: 3.7 m/s² (...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 13: Pressure Gradient, Jet Stream, Great Dark Spot

JOVIAN PLANETS Jovian Basics Jovian planets can be roughly divided into 2 groups: - Jupiter & Saturn: similar in size (large, ~), with similar reddish and brownish color - Uranus & Neptune: smaller in s...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 7: Global Catastrophic Risk, Close Encounter, Oort Cloud

ASTEROIDS, METEORITES, & COMETS Satellites, Asteroids and Comets Satellite: An object that orbits a planet (e.g., our Moon) Asteroid: A relatively small (> 1m) rocky object that orbits a star. Sometimes called...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 8: Mantle Convection, San Andreas Fault, Paleomagnetism

EARTH Earth Basics rd th - 3 planet from the sun (1AU), 5 largest world - Orbit – 1 Earth year - Sidereal rotation – 23.9 hours (solar day – 24hrs) - Sur...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 11: Ovda Regio, Mass Wasting, Viscosity

VENUS Venus Basics nd - 2 planet from sun (0.72 AU) - 6 largest planet - Surface gravity 8.8 m/s² (90% of Earth) - 90 bars of pressure (90 x Earth) - 96% , 3.5% , <1% others - ...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 12: Planetary Nebula, Solar Wind, Aurora

Jovian Planets Jovian Basics Jovian Planets can be roughly divided into 2 groups Jupiter and Saturn = roughly save size ( large ~10 Rsimilar earth), reddishbrownish colour Uranus and Neptune similar in size ( ~4 R) similar...

Earth Sciences
EASC 108
Glyn Williams- Jones
EASC 108 Lecture Notes - Lecture 9: Geology Of The Moon, Lunar Craters, Rupes

Mercury: Density similar to earth Weak magnetic field of 1 percent of earths Part of core must be in liquid state No magnetic belts to capture particles Most are deflected Abnormal Internal Structure: 3 Mercurys uncompress...

Earth Sciences
EASC 108
Glyn Williams- Jones

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