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Chapter 20 Stellar Evolution

Chapter 20 Stellar Evolution

Chapter 20 Stellar Evolution. Units of Chapter 20. 20.1 Leaving the Main Sequence 20.2 Evolution of a Sun-Like Star 20.3 The Death of a Low-Mass Star Learning Astronomy from History 20.4 Evolution of Stars More Massive than the Sun Mass Loss from Giant Stars

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Stellar Evolution

Stellar Evolution

Stellar Evolution. Introduction. Leaving the Main Sequence Evolution of a Sun-like Star The CNO Cycle Evolution of Stars More Massive than the Sun Learning Astronomy from History Mass Loss from Giant Stars Observing Stellar Evolution in Star Clusters

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1.19k views • 51 slides
Star Types and luminosity

Star Types and luminosity

Star Types and luminosity. Definitions. Sun: Star at the center of our solar system. Also another name for any star. Luminosity: measures how bright a star would be in relation to the sun if all stars were the same distance from the observer.

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Annoucements

Annoucements

Annoucements. Next test is in one week Review session will be next Wednesday Please hand-in or e-mail questions Practice test will be available by Monday. How Stars Evolve. Pressure and temperature Normal gases Degenerate gases Evolution of the Sun after the main sequence Red giant phase

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340 views • 21 slides
Annoucements

Annoucements

Annoucements. Next test is in one week Review session will be next Wednesday Please hand-in or e-mail questions Practice test will be available by Monday. How Stars Evolve. Pressure and temperature Normal gases Degenerate gases Evolution of the Sun after the main sequence Red giant phase

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212 views • 21 slides
Lecture 20

Lecture 20

Lecture 20. White dwarfs. Sirius B. Wobble in the position of Sirius A led to the prediction of an unseen companion. Sirius B: detection and spectroscopy. The temperature of Sirius B is 27,000 K, almost three times larger than Sirius A. Surprisingly hot!

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485 views • 20 slides

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