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Textbook Notes for PHYS 190 at Simon Fraser University (SFU)

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SFUPHYS 190Howard TrottierSpring

PHYS 190 Chapter Notes - Chapter 5: Chromosphere, Helioseismology, Photosphere

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Bright/dark line in spectrum at specific wavelength produced by absorption/emission of light by certain atoms. Sun is great ball of hot gas held togeth
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SFUPHYS 190Howard TrottierSpring

PHYS 190 Chapter Notes - Chapter 4: Radio Astronomy, Reflecting Telescope, Optical Telescope

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Light as a wave & as a particle. Effect of light behaving as a wave can be seen through colours on soap bubble. How light behaves depends on how you tr
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SFUPHYS 190Howard TrottierSpring

PHYS 190 Chapter Notes - Chapter 6: Apparent Magnitude, Inverse-Square Law, Energy Star

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Distance - most important & most difficult measurement in astronomy, & astronomers have many diff ways to find distances to stars. Each way depends on
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SFUPHYS 190Howard TrottierSpring

PHYS 190 Chapter Notes - Chapter 2: Orbital Period, Sidereal Year, Zenith Solar

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All around the world, ancient cultures celebrated heroes, gods, mythical beasts by naming groups of stars called constellations. Constellation - one of
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SFUPHYS 190Howard TrottierSpring

PHYS 190 Chapter Notes - Chapter 3: Lunar Phase, Copernican Revolution, Galilean Moons

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SFUPHYS 190Howard TrottierSpring

PHYS 190 Chapter Notes - Chapter 7: Stellar Structure, Nuclear Fusion, Hydrostatic Equilibrium

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First 2 laws of stellar structure - are both conservation laws. Conservation laws say that certain things cannot be created out of nothing/vanish into
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SFUPHYS 190Howard TrottierSpring

PHYS 190 Chapter Notes - Chapter 12: Supernova, Small Solar System Body, Gravitational Collapse

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We are made of very old matter. Although particles formed quickly, not linked together to form atoms common today. Most of matter was hydrogen, about 2
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SFUPHYS 190Howard TrottierSpring

PHYS 190 Chapter Notes - Chapter 11: Raisin Bread, Night Sky, Observable Universe

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Modern observations indicate that universe could be infinite & have no edge. If universe has no edge, cannot have a centre. Simple observation that nig
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SFUPHYS 190Howard TrottierSpring

PHYS 190 Chapter 1: PHYS 190 Chapter 1

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Scientific notation - system of recording very large/very small numbers by using powers of 10. Field of view - area visible in an image, usually given
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SFUPHYS 190Howard TrottierSpring

PHYS 190 Chapter Notes - Chapter 9: Radio Galaxy, Before Present, Local Group

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Astronomers classify galaxies according to various properties. Classification according to shape was developed by edwin hubble. There are galaxies w/ n
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SFUPHYS 190Howard TrottierSpring

PHYS 190 Chapter 8: PHYS 190 Chapter 8

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Nuclear reactions in main-sequence star"s core produce helium. Because no main-sequence star has core hot enough to cause helium to fuse into heavier e
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SFUPHYS 190Howard TrottierSpring

PHYS 190 Chapter Notes - Chapter 14: Galilean Moons, Roche Limit, Dwarf Planet

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Often called jovian planets, meaning they resemble jupiter. Saturn - slightly smaller, uranus & neptune quite a bit smaller than jupiter but still 4 ti
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