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1 BCE
Transfer of BC to AD
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135
Ptolomy
Ptolomy looks into space and figures out the movement of some of the many celestial bodis in the sky -
1500
Copernicus
Copernicus believes the Sun is the center of the universe unlike the much believed geocentral universe -
Gallileo
Gallileo pushes Heliocentrism but is put on trial and put under house arrest -
Isaac Newton
Isaac Newton confirms Keplar's laws