Text Review Notes for Exam II - Geol 1346
Chapters 14-23 in your textbook (Franknoi, Morrison, & Wolff's
Voyages Through the Universe). The lecture notes supplement
and in some cases demonstrate examples and specific
ideas from the material presented in the text.
Things to note -
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words in bold type
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Summary and New Terms at the end of each chapter
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Review questions at the end of each chapter
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Problems at the end of each chapter (good review!!)
In addition to the above mentioned material, Note in particular:
Chapter 14 - The Sun: A Garden Variety Star
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know basic data on Sun, structure and layers in atmosphere, Solar Activity
cycles,…
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know terminology and be able to explain features such as plages, prominences,
granulation, flares, active regions, coronal mass ejection, Zeeman effect,
etc
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read section 14.4.1-4 on variations in number of sunspots, climate, etc
and mechanisms for these variations
Chapter 15 - The Sun: A Nuclear Powerhouse
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sections on physical conservation laws that describe conditions in the
Sun's interior, Proton-Proton chain reaction (cycle), production of neutrinos
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section 15.3
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types of energy transport mechanisms
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solar neutrino problem
Chapter 16 - Analyzing Starlight
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magnitude scale for stars
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relationship between color and temperature and spectral type (16.3.2-3)
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Measurement of Distances to Stars - parallax, determination from apparent
and absolute magnitudes - see 'Figuring for Yourself: Magnitudes' p.361
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Color Index
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Who is James Lick and Annie Jump Cannon?
Chapter 17 - The Stars: A Celestial Census
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Luminosity = Rate of Energy radiation by a star of radius r and temperature
T = (4pr2)(sT4)
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Learn how to determine radius of a star
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Luminosity Classes - know (it's hidden in sec 18.4.1)
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Hertzsprung-Russell diagram (especiall the exercise on H-R diagram)
- who is it named for??
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Binary Stars - how to estimate masses of stars, etc… Visual, Spectroscopic,
Eclipsing Binary stars - how to measure period and amplitude of light curve?
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Mass-Luminosity relationship, Frequency of Stellar Types
Chapter 18 - Celestial Distances
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parallax
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distance units - conversion from parsecs to light years?
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look at assignment on bright stars and nearby stars
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variable stars - classification of types
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period luminosity relation
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Who is Henrietta Swan Leavitt?
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What are RR Lyrae Stars?? (and other types of variable stars)
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Main sequence stars - useful to remember: life expectancy in
units of the Sun's lifetime (10 billion yrs) note: T = M-2.5
Chapter 19 - Between The Stars: Gas and Dust in Space
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classification of regions (H II, H I, etc...)
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ultra hot gas - where from
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molecular clouds - what molecules?
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who are EE Barnard, H Ewen, E Purcell, etc...
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21 cm emission line + others
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detection of dust (and redening)
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infrared cirrus, scattering, interstellar extinction, interstellar grains,
... etc - how are these detcted/measured/...
Chapter 20 - The Birth of Stars and the Discovery of Planets
Outside the Solar System
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giant molecular clouds
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Orion ??
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how are stars formed?
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Herbig-Haro objects - describe + cause...
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main sequence
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relationship to luminosity classes??
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How are planets formed?
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How are planets different from stars in their formation?
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timescales!!!
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methods of discovery of extra-solar planets - which ones have actually
WORKED??
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what are limits of detection - what is habitable?
Chapter 21 - Stars: From Adolescence to Old Age
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main sequence life expectancy in units of the Sun's lifetime (10 billion
yrs) note: T = M-2.5
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star clusters - why important? what kinds? differences??
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HR diagram for clusters
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further evolution (beyond the main sequence) - can you chart the Sun's
expected evolution?
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Giant Stars - what limits? What end effects? Mass Loss??
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Low- and Medium-Mass Stars - why/when are planetary nebulae formed? What
causes differences?
Chapter 22 - The Death of Stars
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Who is Subrahmanyan Chandrasekhar?
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white dwarf stars
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nucleosynthesis (synthesizing heavy elements in a star)
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collapse and explosion
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Theory of neutron star - pulsar - mass range?
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Supernova 1987A - what was found?
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Model of pulsar, evolution
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evolution of binary star system
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look at figuring for Yourself
Chapter 23 - Black Holes and Curved Spacetime
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Black holes - Schwarzschild radius - time dilation, gravity, acceleration,
spacetime, deflection of starlight, Mercury's perhelion,gravitational red
shift,...
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what is a black hole?
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collapse, myth, TRIP into a black hole??,
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gravitational waves
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proof??