-
Period: 1543 to 1543
Heliocentric Nicolaus Copernicus
The idea that the sun is the center of the milky way instead of the previous thought that it was the Earth. Led to people abandoning the earth being the center of the milky way. -
Period: to
First Two Laws of Planetarium Motion
Johannes Kepler discovered the first two laws of planetary motion. How the planets orbit the sun, and all planets sweep out in equal areas. -
Period: to
Snell's Law
Discovery of how refraction and light waves work. -
Period: to
Discovery of Cell
Robert Hooke discovered cells -
Period: to
Lightning is Electrical
Benjamin Franklin discovered that lightning is electrical with the key and string.