Though the original text has been lost , a reference in Archimedes ' book The Sand Reckoner ( Archimedis Syracusani Arenarius & Dimensio Circuli ) describes another work by Aristarchus in which he advanced the heliocentric model as an alternative hypothesis .
Though the original text has been lost , a reference in Archimedes ' book The Sand Reckoner describes another work by Aristarchus in which he advanced the heliocentric model as an alternative hypothesis .