Galileo Galilei
Publicized the use of the Telescope • One of the 1st people to make quality telescopes (32x) • Made and Sold telescopes across Europe spreading their use, and inspiring other astronomers.
Galileo’s Discoveries • Io, Europa, Ganymede, and Callisto.
• Saturn’s rings (He didn’t know what they were) • Phases of Venus. • Sun spots.
Heliocentric view of the Universe • Observed that Venus has phases • Observed that Copernicus’ model was more effective. • Actively proposed Copernicus’ heliocentric model as a real life alternative to the church’s model.
Direct Challenges to the church • Openly challenged the Geocentric view of the universe. • Phases of Venus. • Jovian satellites orbit Jupiter not Earth. • Recognised the existence of Sun Spots.
Galileo’s overall contribution to astronomy, science and culture • Set a bench mark for others to question church teachings. • Began to increase use of telescopes for astronomy. • Made major discoveries in astronomy.
Galileo’s overall contribution to astronomy, science and culture • Opened up a rift of mistrust between some areas of Science and Religion. • Challenged the idea of perfect heavenly bodies. • Invented the Galileo thermometer. • Science celebratory!
References • Image 1 : http://antwrp.gsfc.nasa.gov/apod/ap011014.html • Image 2 : http://www.telescope1609.com/Galileo.htm • Image 3 : http://www.telescope1609.com/Galileo.htm • Image 4 : http://www.telescope1609.com/Galileo.htm • Image 5 : http://www.astro.su.se/~alexis/astrophoto.eng.html • Image 6 : http://www.astro.su.se/~alexis/astrophoto.eng.html • Image 7 : http://www.dzwholesale.com/Galileo_Thermometers. html