sci151r2Week4worksheet

sci151r2Week4worksheet - SCI 151 Astronomy University of...

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SCI 151 Astronomy University of Phoenix Material Week Four Content Questions Worksheet Using the assigned readings for Week Four, prepare a 50 to 75-word response to each of the following questions. Be sure to include the questions with your responses. Your responses will be assessed according to the accuracy of the content. Light is one form of electromagnetic radiation. What are electromagnetic waves, and what other types exist besides light? Compare their wavelengths. How do you determine the temperature, composition, and motion of an object from its light spectrum? In what ways do astronomers infer that the Sun’s energy comes from nuclear fusion reactions? How do we know it does not come from chemical burning? How does the Sun produce energy by nuclear fusion? When we look at stars in the sky, we see a wide range of brightness. What are the factors that make one star appear brighter than another star? What are the similarities and differences of the Sun with other stars?
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This note was uploaded on 04/07/2010 for the course SCI 151 taught by Professor Jackson during the Fall '09 term at University of Phoenix.

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sci151r2Week4worksheet - SCI 151 Astronomy University of...

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