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[[Image:Galileo.jpg|right|thumb|200px|'''Galileo Galilei'''<br> Subterman's portrait, circa 1640]]
[[Image:Galileo.jpg|right|thumb|200px|'''Galileo Galilei'''<br> Subterman's portrait, circa 1640]]
'''Galileo Galilei''' (1564-1642), often referred to simply as '''Galileo''', was an [[Italy|Italian]] [[physicist]] and [[astronomer]] who improved the [[telescope]], contributed to the field of [[mechanical]] [[physics]], proposed the [[heliocentrism|heliocentric]] model of [[Copernicus]] as the accurate universal model, and later in life had a famous dispute with the [[Catholic Church]].
'''Galileo Galilei''' (1564-1642), often referred to simply as '''Galileo''', was an [[Italy|Italian]] [[physicist]] and [[astronomer]] who improved the [[telescope]], contributed to the field of [[mechanical]] [[physics]], proposed the [[heliocentrism|heliocentric]] model of [[Copernicus]] as the accurate universal model, and later in life was labeled a [[heretic]] by the the [[Catholic Church]].
Galileo first came to prominence when, in 1604, he demonstrated that a [[supernova]] was further away from the earth than the [[moon]]. At the time that was shocking as it was not expected within the earth-centered framework that existed at that time. It was also around this time that he invented a geometric and military compass. Galileo sought a patron, and made overtures to the Cosimo family, but had to supplement his income by selling his compass to students along with a handbook on how to use it. He also invented a primitive [[thermometer]] and a [[barometer]].
Galileo first came to prominence when, in 1604, he demonstrated that a [[supernova]] was further away from the earth than the [[moon]]. At the time that was shocking as it was not expected within the earth-centered framework that existed at that time. It was also around this time that he invented a geometric and military compass. Galileo sought a patron, and made overtures to the Cosimo family, but had to supplement his income by selling his compass to students along with a handbook on how to use it. He also invented a primitive [[thermometer]] and a [[barometer]].