When and where was Aristarchus of Samos born?
Aristarchus of Samos was born in approximately 310 BC on the Greek island of Samos. He later moved to Alexandria to study under Strato of Lampsacus.
Questions about Aristarchus of Samos
Short answers, pulled from the story.
What did Aristarchus of Samos propose about the heliocentric model?
Aristarchus of Samos advanced the heliocentric model as an alternative hypothesis to geocentrism in his lost work The Sand Reckoner. He proposed that fixed stars were extremely distant from Earth and functioned as other suns very far away.
How did Aristarchus of Samos calculate the size of the Sun relative to Earth?
Aristarchus of Samos estimated the Sun was approximately six times wider than Earth's diameter using measurements taken during a lunar eclipse. He determined the shadow cone width was twice the diameter of the Moon at full non-central eclipse to derive this ratio.
Was Aristarchus of Samos considered sacrilegious by his contemporaries?
It is a common misconception that the heliocentric view was considered sacrilegious by contemporaries of Aristarchus of Samos. Lucio Russo traces this error to Gilles Ménage's printing of a passage from Plutarch's On the Apparent Face in the Orb of the Moon where Aristarchus said Cleanthes should be charged with impiety.
Who revived the heliocentric theory after Aristarchus of Samos died?
The heliocentric theory was revived by Nicolaus Copernicus centuries later though he likely lacked awareness regarding its specific heliocentric nature. Johannes Kepler described planetary motions with greater accuracy using three laws while Isaac Newton later gave a theoretical explanation based on laws of gravitational attraction and dynamics.