But some of his observations, especially the changing phases of Venus and the presence of moons around other planets, lent support to Copernicus' heliocentric theory, and that made Galileo's work ...

Two columns have been added, and above them the curtain with the dedication to Galileo’s patron, the Grand Duke of Tuscany ... but Copernicus looks out toward the reader and holds his model of the ...

It discusses how early thinkers like the Egyptians and Greeks perceived the cosmos, leading to the heliocentric model proposed by Copernicus and refined by Kepler. Galileo's experiments laid the ...