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Chemistry LibreTexts

Classification of Stars 101

  • Page ID
  • To Do To Answer
    Read about the life cycle of stars
    • Who was Annie Jump Cannon and why is she important to the study of stars?
    • What does an "HR Diagram" show? Sketch it in your notes. 
    Watch the video
    • How do stars differ from each other?
    • How were stars first classified?
    • How are stars classified based on their spectra?
    • How did Annie Jump Cannon contribute to the field of astronomy?
    • How can someone remember "OBAFGKM"?
    • How is the mass of a star related to it's temperature?
    • What is the classification code for the Sun?
    • Describe the HR Diagram. (more on this next week!)
    • What does the future hold for our Sun?