Catadioptric system
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Bernhard Schmidt
Schmidt (lunar crater)
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Schmidt camera
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List of eponyms (L–Z)
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Fritz Zwicky
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List of minor planets named after people
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1930 in science
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Jaan Kross
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Yrjö Väisälä
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List of astronomers
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List of inventors
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Timeline of telescopes, observatories, and observing technology
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1935
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1879
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1930
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December 1
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April 11
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