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AST101H1 (138)

Textbook Notes for AST101H1 at University of Toronto St. George

The Sun and Its Neighbours

AST101H1 Chapter 8: Chapter 8_ The formation and age of the solar system

8.1 The Search for Origins Four Criteria for a Successful Solar System Formation Theory (must explain the following) 1. _atterns of motion 2. Why planets fall into two major categories: small, rocky terrestrial planets nea...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter 16: Chapter 16_ the Birth of a Star

16.1 Stellar Nurseries - Technique of main-sequence turnoff point used to determine ages of star clusters - Youngest clusters always associated with dark clouds of gas and dust The Interstellar Medium - Gas and dust found ...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter 1: AST 101 Chapter 1 Notes

AST 101 Chapter 1 Notes Earth is not the center of the universe but instead is a planet orbiting a rather ordinary star in the Milky Way Galaxy The Milky Way Galaxy, in turn, is one of billions of galaxies in our observabl...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler, C. Barth Netterfield, Ilana MacDonald
AST101H1 Chapter Notes - Chapter 14.1-3: Solar Minimum, Deuterium, Strong Interaction
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7: 14.13: Our Star 5Oct17 2:00 PM Sections 14.1, 14.2 14.1: A Closer Look at the Sun Why does the Sun Shine? Ancient ideas Fire, lump of burning coal firewood Mid 19th century: knew not fire nor chemical Gravitational Cont...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter Notes - Chapter 4.1-4.5: Orbital Speed, Conservation Law, Kinetic Energy
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6: 4.14.5: Making Sense of the Universe 28Sep17 2:00 PM Sections 4.1, 4.2, 4.3 4.4, 4.5 4.1 Describing motion How do we describe motion? Speed How far in a certain amount of time 100 kmhr Velocity Speed and direction 100 k...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter Notes - Chapter 24.1-24.4: Natural Selection, Horsepower, Galactic Habitable Zone
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17: 24.124.4: Life in the Universe 5Dec17 2:00 PM Sections 24.124.4 24.1: Life on Earth Life arose early in Earths history > might form quickly on other worlds as well? Life may come from naturally occurring chemistry Livi...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter Notes - Chapter 13.1-13.2: Gravitational Lens, Orbital Speed, Doppler Spectroscopy
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16: 13.113.2: Other Planetary System 28Nov17 2:00 PM Sections 13.1 and 13.2 13.1: Detecting Planets Around Other Stars Extasolar planets Why is it so Challenging to learn about extrasolar planets? Glare of scattered starli...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter Notes - Chapter 11.1-11.3: Tidal Force, Solar Wind, Water Cycle
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15: 11.111.3: Jovian Planet Systems 21Nov17 2:00 PM Sections 11.1, 11.2 and 11.3 11.1: A Different Kind of Planet Pioneer, Voyager, Galileo, Juno, New Horizons, and Cassini Are Jovian planets all alike? Jovian planet compa...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter Notes - Chapter 12.1-12.4: Acid Rain, Solar Wind, Reduced Properties
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13: 12.112.4: Asteroids, Comets, and Dwarf Planets 16Nov17 2:00 PM Sections 12.1, 12.2, 12.3, 12.4 scraps left over from formation that give understanding Asteroids starlike Cannot be seen by eye Not discovered until 20 ye...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter Notes - Chapter 10.1-10.6: Thermostat, Cool Air, Escape Velocity
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12: 10.1-10.6: Planetary Atmospheres 2-Nov-17 2:00 PM Sections 10.1-10.6 10.1: Atmospheric Basics Atmosphere Layer of gas that surrounds a world Mi...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter Notes - Chapter 9.5-9.6, 10.5: Subduction, Mantle Convection, Continental Crust
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11: 9.59.6, 10.5: Planetary Geology 31Oct17 2:00 PM Sections 9.5, 9.6, 10.5 9.5: Geology of Venus What geological processes have shaped Venus? Impact Cratering Relatively low number of impact craters Erased by geological p...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter Notes - Chapter 9.1-9.3: Basalt, Lunar Mare, Abrasive Blasting
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10: 9.19.3: Planetary Geology 26Oct17 2:00 PM Sections 9.19.3 9.1: Connecting Planetary Interiors and Surfaces What are terrestrial planets like on the inside? Seismic waves Vibrations that travel through both interior and...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter Notes - Chapter 8.1-8.3: Solar Wind, Interstellar Cloud, Close Encounter
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9: 8.18.3: Formation of Our Solar System 24Oct17 2:00 PM Sections 8.18.3 8.1: The Search for Origins How did we arrive at a theory of solar system formation? Must explain Patterns of motion 2 types of planets Existence of ...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter Notes - Chapter 5.1-5.4 : Blueshift, 30 Foot Fall, Atomic Number
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8: 5.15.4: Light and Matter 10Oct17 2:00 PM Section 5.1, 5.2, 5.3, 5.4 5.1: Light in Everyday Life How do we experience light? Energy Power Measure in joules Rate of energy flow = power measure in watts Light Colour Whit...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler
AST101H1 Chapter Notes - Chapter 3.3-3.5: Horoscope, Human Events, Pseudoscience
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5: 3.33.5: The Science of Astronomy 26Sep17 2:00 PM Sections 3.3, 3.4, 3.5, 3.1: The Copernican Revolution How did Copernicus, Tycho, Kepler, challenge? Copernicus Wealthy family, well educated Ptolemaic model was noticeab...

Astronomy & Astrophysics
AST101H1
Bryan Gaensler

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