-
Period: 100 to
Time
Okay -
150
Ptolemy
He did some research before he died that helped other theories in the future -
500
Aryabhata
He did some big mathamatical problems and helped astronomy -
Kepler
He is known because of his laws of how planets moved -
Galileo
He discovered the telescope -
Cassini
He worked out what the rings around saturn were -
Isaac Newton
He discovered Gravity -
Halley
He worked out when Halley's Comet would orbit -
Ja'Far
He made a compass like device but it vanished in germany