A brief description of the concepts is provided in each box. Many questions utilize charts, diagrams, photographs and data included in the module. In most questions students are expected to reach conclusions based on the figures and data.

Graphic from Module. Click for Larger View. Stars & Galaxies (ATPI)
Investigation #30: Stellar Spectra and Classification
  • Types of spectra
  • Major spectral classes and subclasses (The Harvard Classification System)
  • Bohr model including emission and absorption line concepts
  • Classification from an objective prism star field image
  • Line broadening effects
  • Luminosity classes
Other Stars & Galaxies Modules:
#26| #27| #28| #29| #31| #32| #33| #34| #35

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