Optical spectrometer
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Joseph von Fraunhofer
Spectroscopy
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Star
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Sodium
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Sun
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List of physicists
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March 6
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Munich
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June 7
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History of astronomy
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History of Germany
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Gustav Kirchhoff
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Friedrich Wilhelm Bessel
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Energy
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Carl Friedrich Gauss
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Bavaria
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Optical aberration
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Atomic physics
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List of Germans
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List of astronomers
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Astrochemistry
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Energy level
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Timeline of solar astronomy
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Timeline of electromagnetism and classical optics
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Double star
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Astronomy
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Atomic, molecular, and optical physics
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Diffraction grating
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61 Cygni
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1787
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1826
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