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The Corona Supernova - Sixty Symbols

2020-05-11

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Lift and Wings - Sixty Symbols

2017-09-11

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The s-Process - Sixty Symbols

2016-10-25

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Why is time slower in rockets?

2013-12-24

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Right Ascension and Declination - Sixty Symbols

2011-02-09

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The Incredible Tycho Brahe - Sixty Symbols

2010-11-19

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How Big is the Hubble Constant? - Sixty Symbols

2009-04-09

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Mass to Light Ratio - Sixty Symbols

2009-04-09

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