SpectraSpectraSpectraSpectra How do we know what elements are in stars???
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S S p p e e c c t t r r a a How do we know what elements are in stars???
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Transcript of SpectraSpectraSpectraSpectra How do we know what elements are in stars???
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SSppeeccttrraaHow do we know
what elements are in stars???
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How to see a spectrum
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Emission and Absorption
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How they come to be
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Visible Solar Spectrum
• Dark lines are absorption lines from a number of elements!
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Emission spectra lines UV
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• Visible Spectrum of the hot gases in a star-forming region, Omega nebula (M17). The nebula produces a complex spectrum of bright and dark lines – Emission and Absorption
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DisclaimerAloha
I put together these power points for use in my science classes.You may use them in your classes.
Some images are public domain, some are used under the fair-use provisions of the copyright law, some are mine. Copyright is retained by the owners!
Ted Brattstrom