12/27/1571
12/27/1571
He was a inventor that had his own NASA mission after him. They call it the kelper Mission.
He was a inventor that had his own NASA mission after him. They call it the kelper Mission.
1967
that the earth went round the sun
He was a professor of mathematics and geography
Johanes Kelper, Isaac Newton and Konstintin Tsolvosky
Ptolemy
Johannes Kelper was a math teacher in Graz, Austria
he went to science school!
he believed that the earth went around the sun not the other why around
Johannes Kelper