'Helium flash' diaporamas de présentation

Main Sequence Lifetimes

Main Sequence Lifetimes. Time on Main Sequence How much fuel it has (Core H) How fast it consumes the fuel (Luminosity). Main Sequence Lifetimes. Main Sequence Lifetimes. Our Sun M = 1 M ( ?) and L = 1 L ( ?) t MS -lifetime = 10 10 years = 10 billion years

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1.51k views • 117 slides

Star Life Cycle

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MAIN SEQUENCE STARS, Red Giants and White Dwarfs

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Goal: To understand the deaths of stars and how it depends on mass.

Goal: To understand the deaths of stars and how it depends on mass. Objectives: To learn about the lives of Red dwarfs To understand what Stars like the sun will do at the end of their lifetimes To understand how Stars somewhat bigger than the sun will have different ends

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Stellar Evolution

Stellar Evolution. Homework Problems Chapter 13 Review Questions: 1-3, 9-11 Review Problems: 1, 2, 7 Web Inquiries: 1, 4 Homework Problems Chapter 14 Review Questions: 2, 4, 7, 9-11, 13 Review Problems: 3, 6, 9 Web Inquiries: 1. Main Sequence Life Time. Out of Fuel.

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Stellar Evolution

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Ch 11--Life Cycle of Stars

Ch 11--Life Cycle of Stars. What do you think?. How do stars form? Are stars forming today? Do stars with greater or lesser mass shine longer. Stellar Evolution. Birth Evolution to main sequence line (youth) Main sequence (adulthood)

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A star will experience a helium flash if a. it is less massive than about 3 solar masses

A star will experience a helium flash if a. it is less massive than about 3 solar masses b. its has become a red giant star c. its has formed a helium core d. the material in the core has gradually become degenerate e. All of the above must be true. In degenerate matter

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