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Class Notes for ASTR 100Lgx at University of Southern California (USC)

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USCASTR 100LgxRhodes EdwardSpring

ASTR 100Lgx Lecture Notes - Lecture 24: Zeeman Effect, Chromosphere, Red Giant

OC13759592 Page
9 Jan 2017
1
The sun has a luminosity of 3. 9 x 1033 ergs per second. The next closest star is 300,000 times away. Due to surface temperature our sun is classified
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USCASTR 100LgxRhodes EdwardSpring

ASTR 100Lgx Lecture Notes - Lecture 4: De Revolutionibus Orbium Coelestium, Deferent And Epicycle, Geocentric Model

OC13759592 Page
22 Dec 2016
1
Also aberration of starlight discovered by james bradley. Aristarchus of samos said earth rotated the sun 300 bc. You have to make a correction due to
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USCASTR 100LgxRhodes EdwardSpring

ASTR 100Lgx Lecture Notes - Lecture 21: Fighting Network Rings, Orbital Period, Roche Limit

OC13759592 Page
9 Jan 2017
1
Each individual particle orbits by kepler"s laws, not the whole ring together. Or maybe a comet or asteroid that got ripped apart by saturn"s tidal gra
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USCASTR 100LgxRhodes EdwardSpring

ASTR 100Lgx Lecture Notes - Lecture 23: Alphonse Borrelly, Edmond Halley, Deep Space 1

OC13759592 Page
9 Jan 2017
1
Also proposed that their orbits were very eccentric. Comets are the most spectacular thing you can see with the naked eye. Newton was the first to prop
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USCASTR 100LgxRhodes EdwardSpring

ASTR 100Lgx Lecture Notes - Lecture 19: Pioneer 11, Metallic Hydrogen, Pioneer 10

OC13759592 Page
9 Jan 2017
1
Called differential rotation, present in all jovian planets and the sun. Two little potato shaped moons, phobos and deimos. Mars is more oblate than ea
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USCASTR 100LgxRhodes EdwardSpring

ASTR 100Lgx Lecture Notes - Lecture 17: Axial Tilt, Solar Time, Olympus Mons

OC13759592 Page
9 Jan 2017
1
Has to pass through lots of earth atmosphere. It"s rotation is exactly 2/3rds its revolution, spin-orbit coupling. Suggests it has a molten core becaus
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USCASTR 100LgxAllSpring

ASTR 100Lgx Lecture Notes - Lecture 19: Surface 2, Thermonuclear Weapon, Nuclear Power

OC34123410 Page
24 Oct 2014
0
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USCASTR 100LgxRhodes EdwardSpring

ASTR 100Lgx Lecture Notes - Lecture 16: The Moons, Doppler Spectroscopy, Escape Velocity

OC13759592 Page
9 Jan 2017
2
Earth has little free hydrogen because it can achieve escape velocity easily. All planets have escape velocities depending on the strength of their gra
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USCASTR 100LgxRhodes EdwardSpring

ASTR 100Lgx Lecture Notes - Lecture 22: Clyde Tombaugh, Blink Comparator, Inclined Orbit

OC13759591 Page
9 Jan 2017
1
He used a blink comparator to compare two images. Also high eccentricity at 15 times the earth"s, ranges from 30 to 50 au. The search for planet x star
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USCASTR 100LgxRhodes EdwardSpring

ASTR 100Lgx Lecture Notes - Lecture 25: Maunder Minimum, Little Ice Age, Aurora

OC13759592 Page
9 Jan 2017
4
Temperatures dropped, rivers froze, made a little ice age. Suggests a link between solar activity and earth"s climate. More rapid climate changes is pr
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USCASTR 100LgxPeroomianFall

ASTR 100Lgx Lecture Notes - Lecture 1: Interstellar Cloud, Observable Universe, Galactic Center

OC5161153 Page
1 Sep 2015
33
Star a large, glowing ball of gas that generates heat and light through nuclear fusion. Planet a moderately large object that orbits a star; it shines
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USCASTR 100LgxPeroomianFall

ASTR 100Lgx Lecture Notes - Lecture 3: Celestial Equator, Telescopium, Summer Triangle

OC5161154 Page
1 Sep 2015
19
Constellations: specific regions of the sky with well-defined borders, centered on the greco- Triangulum, microscopium: the official boundaries of the
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