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The top documents of muhamad-dimas-arifin-aka-ahmd-el-arf

G Schiaparelli--Astronomy in the old testament
G Schiaparelli--Astronomy in the old testament
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Nicolas Copernicus--Revolutions of the heavenly bodies
Nicolas Copernicus--Revolutions of the heavenly bodies
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William Liller--Space astrophysics
William Liller--Space astrophysics
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