What happens in the zero-age main sequence stage

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Question 1. Describe the three things that can trigger star formation

Question 2. Explain what happens in the protostar and pre-main-sequence stage--what does it start with? What are some of the physical processes that are happening? Include some information about the T-Tauri stage.

Question 3. Describe what happens in the zero-age main sequence stage. Make sure to address what hydrostatic equilibrium is. Include some information about how long stars of various sizes stay in this stage.

Question 4. Describe what happens on the giant stage. Include information about hydrogen shell fusion and helium fusion.

Reference no: EM132851855

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