Who developed a stronger telescope and was able to prove that Ptolemy's theories about the moon were wrong?

Responses

Francis Bacon

Francis Bacon

René Descartes

René Descartes

Galileo Galilei

Galileo Galilei

Andreas Vesalius

Andreas Vesalius
Portrait of Galileo Galilei

1 answer

Galileo Galilei developed a stronger telescope and was able to prove that Ptolemy's theories about the moon were wrong. His observations of the moon revealed its imperfections, challenging the prevailing belief in the perfection of celestial bodies as presented in the Ptolemaic system.