chapter 27.1 characteristics of stars. our sun our star the sun is a self-luminous ball of gas held...
TRANSCRIPT
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Chapter 27.1
Characteristics of stars
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Our Sun
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Our Star
• The Sun is a self-luminous ball of gas held together by its own gravity and powered by thermonuclear fusion in its core.
• Our Sun is a typical star among the various stars in the galaxy, average in mass, size and temperature.
• It has a radius of 109 Earths and a mass of 330000 Earths.
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A balance of forces
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A balance of energy
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The Spectrum
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The Spectrum
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How to Make a Rainbow
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The Types of Spectra
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The Spectra of the Sun
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What is the difference between heat and temperature?
• Heat & Temperature• Heat vs. Temperature
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How does emitted light change as an object gets hotter?
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The simplest and most common elements in the universe.
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What color are you?