Matthew, Henry Colin Gray, Brian Harrison, and Lawrence Goldman, editors. Oxford Dictionary of National Biography.
Standard Name: Galileo Galilei
|Connections Sort descending||Author name||Excerpt|
|Education||Lady Hester Pulter|
|Friends, Associates||John Milton||
While staying in Florence, Milton met Galileo .
The astronomer Galileo Galilei , using a telescope of his own invention in his garden at Padua, first observed the moons of Jupiter, the rings of Saturn, and mountains on the moon.
12 March 1610
Galileo published at Venice his recent astronomical discoveries (including the existence of the moons of Jupiter) in Sidereus Nuncius, or The Starry Messenger.
For the first time in two hundred years the Papal Index or Index Librorum Prohibitorum did not list Galileo 's Dialogue on the Two Chief World Systems: Ptolemaic and Copernican.