Cha. 10-12 Astonomy Questions

profileanthony1991

1. The Sun's atmosphere has three layers. What are they called and what is their temperature?

 

2. (a) Stars are identified with a spectral type. What are the spectral types from hottest to coolest?

     (b) Rank the following spectral types from hottest to coolest: A6, M2, O8, B4, B2

 

3. What is the structure of the H-R Diagram? What does it tell us?

 

4. Describe the characteristic behavior of RR Lyrae and Cepheid variables.

 

5. What determines if a Cepheid variable star is a Type I or Type II?

 

 

 

 

 

    • 12 years ago
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