-
The greek astronomer Aristarchus suggested that the earth revolved around the sound
-
Hiparchus classified the stars according their brightness
-
Ptolomy suggested a geocentric astronomic model , acording to him the sun the moon and the five planets all revolved around the earth
-
Copernicus published his heliocentric model according the planets revolved around the sun
-
Tyco Brahe carried out a detailed observation of the planets ,Kepler deduced his famous planetary laws
-
Galileo used a telescope for the first time and that was the birth of modern astronomy
-
Isaac Newton built the first telescope using mirrors instead of lenses
-
Newton published his book explaining the laws of the movement of planet
-
Edmund Halley explained newtons laws and predicted the return of the comet
-
W.Herschel discovered the planet uranus
