Exam 3

1
Exam 3

• Review

2

• Test Day (Thursday, April 15th, during class)
• Show up a few minutes early
• Please fill in every seat (starting from the
  front)
• Will reserve left-handed desks for left-handed
  people and late comers.
• BRING PHOTO IDS!

3
Format

• Closed book, no notes (no calculator allowed)
• 40 questions
• Mostly qualitative knowledge
• Conceptual knowledge
• What is covered? (what is fair game?)
• Power Point lecture notes
• In-class Activities
• Online Quizzes
• Homework problems

4
Formulas

• d B/tan p
• d 1/p
• f L/4pd2
• L 4pr2sT4
• MA MB a3/P2
• L M3

5
Chapter 2

• Model of the Atom
• Nucleus
• Protons
• Neutrons
• Electrons
• Atomic Spectra
• Electron Shells
• Orbital Levels
• Energy Levels

• Ground State
• Ionization
• Hydrogen
• Lyman series
• Balmer series
• Paschen series
• Doppler Effect
• Red Shift
• Blue Shift

6
Chapter 4

• Solar Nebula Theory
• Age of the Solar System
• The Condensation Sequence
• Planetesimals
• Condensation
• Accretion
• Protoplanets
• Differentiation
• Radiation Pressure
• Solar Wind
• Evidence of Extrasolar Planets
• Dust disks
• Stellar Motions

7
Ch. 9 The Sun

• Layers of the Sun
• The Core
• Radiation Zone
• Convection Zone
• The Photosphere
• The Chromosphere
• The Corona
• The Solar Wind
• Granulation
• Convection
• Coronal Holes

• Sunspots
• Sunspot Cycle
• The Cause of Sunspots
• Differential Rotation
• The Zeeman Effect
• Active Regions
• Prominences
• Solar Flares
• Coronal Mass Ejections
• Nuclear Fusion
• Hydrogen Fusion
• Proton-Proton Chain

8
Ch. 10 Measuring the Stars

• Parallax
• Flux/Apparent Brightness
• Absolute Luminosity
• Inverse Square Law of Light
• Stellar Temperature
• Stellar Spectra
• Hydrogen Balmer Lines
• Spectral Classification
• OBAFGKM
• Stellar Radii

• HR Diagram
• Luminosity vs. Temperature
• Main Sequence
• White Dwarfs
• Red Giants
• Supergiants
• Selection Effects
• Spectroscopic Parallax
• Stellar Masses
• Binary Systems
• Center of Mass
• Visual Binaries
• Spectroscopic Binaries
• Eclipsing Binaries
• Mass-Luminosity Relation
• Main Sequence Lifetimes

9
Relations Between Properties

• Apparent Brightness/Flux (f) Distance (d)
  Luminosity (L)
• Luminosity (L) Surface Temperature (T)
  Stellar Radius (r)
• Temperature (T) Type of star -gt Position of HR
  Diagram
• -gt Luminosity (L)
• Binary Systems
• Orbital Period (P)
• Orbital Velocity (v)
• Radius of Orbit (a)
• Mass of Star (M)
• Diameter of the Star (D) - (eclipsing binaries
  only)

10
HR Diagram Relations

• Main Sequence

11
Ch. 11 The Interstellar Medium

• Interstellar Medium
• Nebulae
• Dark Nebulae
• Emission Nebulae
• Reflection Nebulae
• Interstellar Reddening
• 21 cm Radiation
• Molecular Clouds

• Star Formation
• Protostars
• Evolutionary Track
• T Tauri Stars
• Evaporating Gaseous Globules
• Zero-Age Main Sequence

12
Ch. 12

• Giant Star Evolution
• Hydrogen Shell Fusion
• Helium Core Fusion
• Expansion/Contraction of layers
• Evolution on the HR Diagram
• Triple-alpha Process
• Helium Flash
• Degenerate Matter
• Planetary Nebulae
• White Dwarfs
• Electron Degeneracy Pressure

• Novae
• Red Dwarfs
• The onion layer effect
• Supernova Explosions
• Type I Supernovae
• Type II Supernovae
• Supernova Remnants
• Star Clusters
• Open Clusters
• Globular Clusters
• Main Sequence Turnoff

13
Ch. 13

• Not covered on this exam.
• Will be covered on the final.