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Jan 1, 1000
Celebration of Occurnace of 2 Equinoxes
Khufu Discovered the occurance of the two days of the year when the days are exactlly the same -
Jan 1, 1530
Heliocentric Model
Nicholas Copernicus realized that the sun was in the moddle and the planets orbitted around it -
Telescopes
People discovered the telescopes and how to use them to help them discover things outside this earth -
Moon Mountains
Galileo discovered the ountains on the moon -
Geocentric Model
Aristtotle discovered the geocentric model -
Period: to
Planetry Motion Timeline A.D.