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384-322 b.c.
from greece
he discovered that earth is round because it always cast a curved shadow on the moon when it passed between earth and the sun -
276-194 b.c.
egypt
believed that the earths circumference was 39400 -
second century b.c.
greece
stars catalog that determine 850 stars locations that was divided into 6 groups -
1473-1543
Poland
was convinced that earth was a planet like the rest of the other planets that were known and was said that the sun was in the center -
1546-1601
Denmark
his observations on mars were the most precise out of everyone that had made observations before him -
1564-1642
italy
described the behavior of moving objects. For example the gravitational movement -
1571-1630
germany
discovered the 3 laws of planetary motion -
1642-1727
English/UK
first to formulate and test the law of unicersal gravitation -
1889-1953
montana/ US
he found out that there was more then just the milky way galaxy and started to find out more about space. His telescope is probably the most famous type of telescope and has it named after him
