Use the graph below to classify each of the stars described by temperature, luminosity, and magnitude. You will use the graph to answer the next 4 items. Stars do not stay in the same state for their entire lifespan. They evolve. The Hertzsprung-Russell Diagram is very useful to astronomers in that they can learn about a star’s internal structure and evolutionary stage based on where it is on the diagram. The object has a temperature of 2,000 K and an absolute magnitude of –5. (1 point) Responses O O - incorrect B B - no response given A A - no response given F F - no response given G G - no response given C C - no response given M M - no response given Question 2 The object has a luminosity of 103 and a temperature of 20,000 K.(1 point) Responses O O - no response given B B - no response given A A - no response given F F - no response given G G - no response given K K - incorrect M M - no response given Question 3 The object has a temperature of 9,000 K and a luminosity of 1(1 point) Responses O O - no response given B B - no response given A A - no response given F F - incorrect G G - no response given K K - no response given M M - no response given Question 4 The object has an absolute magnitude of +12 and a temperature of 15,000 K.(1 point) Responses O O - no response given B B - no response given A A - no response given F F - no response given G G - no response given K K - no response given M M - incorrect
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