Dialogue Concerning the Two Chief World Systems is a 1632 book by Galileo Galilei comparing Nicolaus Copernicus's heliocentric system model with Ptolemy's geocentric model. Written in Italian, it was
A copy of the Dialogo, Florence edition, located at the Tom Slick rare book collection at Southwest Research Institute, in Texas.
Actual path of cannonball B is from C to D
Galileo Galilei
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Galileo di Vincenzo Bonaiuti de' Galilei, commonly referred to as Galileo Galilei or mononymously as Galileo, was an Italian astronomer, physicist, engineer and polymath. He was born in Pisa, then par
Dialogue Concerning the Two Chief World Systems
…Dialogue Concerning the Two Chief World Systems (Dialogo sopra i due massimi sistemi del mondo) is a 1632 book by Galileo Galilei comparing Nicolaus Copernicus's heliocentric system model with Ptolemy's geocentric model. Written in Italian, it was translated into Latin as Systema…
Portrait c. 1640
Portrait believed to be of Galileo's elder daughter Virginia, who was particularly devoted to her father
"Cannocchiali" telescopes at the Museo Galileo, Florence, suspected to be Galilean telescopes (top: 1610–1630; bottom: 1609–1640)
An illustration of the Moon from Sidereus Nuncius, published in Venice, 1610