Quiz 4

1
Quiz 4

• Review

2
Formulas

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

3
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
• Nuclear Fusion
• Hydrogen Fusion
• Proton-Proton Chain
• (Also, Is Science Worth the Cost?)

4
Ch. 10 Measuring the Stars

• Parallax
• Stellar Motions
• Radial Motion
• Transverse Motion
• Proper Motion
• 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
• Spectral Line Broadening
• Spectroscopic Parallax
• Stellar Masses
• Binary Systems
• Center of Mass
• Visual Binaries
• Spectroscopic Binaries
• Eclipsing Binaries
• Mass-Luminosity Relation
• Main Sequence Lifetimes

5
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)

6
HR Diagram Relations

• Main Sequence

7
Ch. 11 The Interstellar Medium

• Interstellar Medium
• Nebulae
• Dark Nebulae
• Emission Nebulae
• Reflection Nebulae
• Evaporating Gaseous Globules
• Interstellar Reddening
• 21 cm Radiation
• Molecular Clouds
• Star Formation
• Protostars

• Evolutionary Track
• T Tauri Stars
• HH Objects
• Zero-Age Main Sequence
• Four Laws of Stellar Structure
• Conservation of Mass
• Conservation of Energy
• Hydrostatic Equilibrium
• Energy Transport
• Brown Dwarfs
• Radiation/Convection
• Main Sequence Stars