Discuss stellar parallax, how it works, and how it is used as a tool in astronomy. Which...

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Physics

  1. Discuss stellar parallax, how it works, and how it is used as atool in astronomy.

  1. Which spectral class has the highest surface temperature?

Which spectral class has the coolestsurface temperature?

What is the spectral class of thesun?

  1. One of our tools for measuring cosmic distances is CepheidVariable Stars. Explain how they allow the determination ofdistances.

  1. The Hertzsprung-Russell diagram is a tool as useful toastronomers as the Periodic Table is to chemists. Explain thestructure of the H-R diagram and what it tells us.

       

  1. There are several key steps necessary for the creation of astar. Provide an overview description of these key steps.

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