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Newton studies the Sun’s spectrum
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Sketch of an atom
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Wave of electromagnetic energy
Figure 3.1
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Photons move at the speed of light
Figure 3.2
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Wavelength-distance between crests Figure 3.3
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White light spread into a spectrum
Figure 3.4
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The electromagnetic spectrum
Figure 3.5
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Heat affects wavelength
Figure 3.6
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An atom’s structure Figure 3.7
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Electromagnetic radiation
Figure 3.8
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Absorption of light Figure 3.9
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How a spectroscope forms a spectrum
Figure 3.10
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Electron orbits in hydrogen and helium
Figure 3.11
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Emission of light Figure 3.12
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Emission spectra of hydrogen and helium
Figure 3.13A
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A hot, low density gas creates an emission spectrum
Figure 3.13B
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Gas and heat Figure 3.14
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Types of spectra Figure 3.15
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Spectrum of a comet Figure 3.16
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Radio and X-ray spectrum
Figure 3.17
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Doppler shift Figure 3.18
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Atmospheric absorption
Figure 3.19
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