Review for Exam II

1
Review for Exam II

• Chapter 2 Light
• Wave properties of light (wavelength,
  frequency,.)
• How is light produced?
• The electromagnetic spectrum (from radio waves to
  gamma waves)
• Blackbody radiation
• Stefans Law and Weins Law
• Kirchoffs Laws what produces continuous,
  emission and absorption spectra
• The Bohr hydrogen model
• Doppler effect and redshift/blueshift of spectral
  lines
• Chapter 9 The Sun
• Know the main regions of the sun
• Know basic properties of the sun (Luminosity,
  surface temperature,rotation period)
• What is helioseismology?
• How is energy transported through the Sun?
• Solar convection and granulation
• The chromosphere and spicules
• The transition zone, corona and solar wind
• Sunspots solar cycle, why are they dark?

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• Chapter 10 The Stars
• Parallax distance (pc)1/parallactic
  angle(arcsec)
• The relationship between flux and luminosity
• How temperature affects stellar color and spectra
• The spectral classification sequence and how it
  relates to temperature
• Luminosity ? Radius2 Temperature4
• The Hertzsprung-Russel diagram and the main
  sequence
• What is spectroscopic parallax?
• Luminosity classes
• The distance ladder
• Stellar masses (from binaries) how does is
  relate to a stars lifetime?
• Chapter 11 The Interstellar Medium
• Dust extinction and reddening
• Dust thermal emission
• Gas emission emission line nebulae
• 21-cm radiation of atomic hydrogen
• Interstellar molecules vibrational and
  rotational radiation
• Star formation how does it start?