Astr 22 - 20 November 2019 Astronomy Ch 22 Chapter 22(1-21 Even 2 What is the first event that happens to a star with roughly the mass of our Sun that

Astr 22 - 20 November 2019 Astronomy Ch 22 Chapter 22(1-21...

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20 November 2019 Astronomy Ch 22 Chapter 22 (1-21 Even) 2. What is the first event that happens to a star with roughly the mass of our Sun that exhausts the hydrogen in its core and stops the generation of energy by the nuclear fusion of hydrogen to helium? Describe the sequence of events that the star undergoes. 4. Describe the evolution of a star with a mass similar to that of the Sun, from the protostar stage to the time it first becomes a red giant. Give the description in words and then sketch the evolution on an H–R diagram.
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