Samos Pins and Buttons
Description: Rendered on a deep dark background, this artwork presents the half-moon method: Earth, Moon and Sun forming a right triangle at the Moon, with the angle θ at Earth and the relation EM / ES = cos θ. Around 270 BC, Aristarchus of Samos proposed that the Earth revolves around the Sun, eighteen centuries before Copernicus. He also used the half-moon geometry to compare the distances of the Moon and the Sun. Made for astronomers, stargazers and anyone who looks up at the night sky with wonder, it suits a study, bedroom or observatory corner.
Aristarchus of Samos, Half-Moon Geometry and the Heliocentric Idea Pin
by Science Design
$3.00 $3.25
Description: A black and white graphic featuring the word PYTHAGORAS arching over a right triangle. The triangle has sides labeled 'a' and 'b', and the base labeled 'b'. Below the triangle is the equation a^2 + b^2 = 2. At the bottom, in cursive, reads 'Samos, Greece'. Two black stars are positioned on either side of the triangle.
