-
200
Ptolemy
ptolemy was born in 87 AD -
200
Ptolemy
Developed the Geocentric model
PROOF
the sun, moon, and stars appear to revolve around the earth
it was also believed that the earth didnt move because we couldn't feel it move -
200
Ptolemy
Ptolemy died in 150 AD -
Feb 19, 1473
Nicholas Copernicus
copernicus was born -
Jan 1, 1543
Nicholas Copernicus
copernicus publishes a book in which he announces his hypothesis, that our solar system revolves around the sun -
May 24, 1543
Nicholas Copernicus
Nicholas copernicus dies at the age of 70 -
Feb 15, 1564
Galileo
Galileo was born -
Nov 15, 1571
Kepler
Kepler dies at the age of 58 -
Dec 27, 1571
Kepler
Kepler was Born -
Period: to
Kepler
kepler discovers that plants have elliptical orbits along with other theories on planetary motion -
Galileo
developed the theory of tides
was the first to use a telescope to study the planets
proved the heliocentric theory of copernicus using the telescope -
Galileo
Galileo dies at the age of 77 -
Isaac Newton
Isaac newton was born -
isaac Newton
newton develops the theories of gravity and inertia
Inertia- an object in motion tends to stay in motion and an object at rest tends to stay at rest unless acted on by an putward unbalanced force. -
Isaac newton
Isaac Newton died at the age of 84
