* List of the stories he appears in : - D 92380 : "The Guardians of the Lost Library", from 1993, by Don Rosa.

 

* His biography :
     Aristarchus was born around 320 before Jesus Christ on the Greek Island of Samos. He studied and lived in Alexandria
   A mathematician at least as much as an astronomer, he belonged to the so-called Pythagorean school of thought, which sought to understand the universe in terms of geometrical and arithmetical relationships. Aristarchus is known to have the first proponent of the heliocentric hypothesis, with the Earth ascribed a movement of orbital rotation about the Sun, as well as a daily axial rotation. Aristarchus argued that the lack of observed annual parallax in the fixed stars could be explained, within his heliocentric model, by assuming that the distance to the fixed stars is very much larger than the size of the Earth's orbit. This argument wasn't liked at all. The very same argument was to be made by Nicholas Copernicus, seventeen centuries later.
Aristarchus' only surviving text is his Treatise on the Sizes and Distances of the Sun and Moon.
   He died in Alexandria in about 230 before Christ.
   He is not to Mistake with Aristarchus of Samothrace (-220 / -243), the director of the Library of Alexandria.
 

* His place in the Barks/Rosa stories universe :
    As the story "The Guardians of the Lost Library" deals with the Library of Alexandria, Aristarchus of Samothrace (-220 / -243), one of the directors of this library could have been used, but it's the other Aristarchus, Aristarchus of Samos, who has been. In the Junior Woodchucks' Guidebook, it's said that Aristarchus of Samos, the astronomer, discovered, 1700 years after it was "re-discovered", that Earth is round because he noticed that the shadow of the Tower of Pharos changed a little of direction each day, and at the morning of the New Year's day, its shadow felt on the Library. Thanks to this information, the Ducks find the former place of the library.
 

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