Back to Scientists
๐ช
๐ญ Astronomy
Johannes Kepler
Laws of Planetary Motion
Born 1571 ๐ฉ๐ช Germany 1609
๐ญ Known For
1
Three laws of planetary motion โ planets travel in ellipses, not circles
2
Derived laws from Tycho Brahe's meticulous observational data
3
Laid the mathematical foundation for Newton's law of gravitation
Described elliptical orbits; key input to Newton
Quick Facts
Field
๐ญ Astronomy
Country
๐ฉ๐ช Germany
Born
1571
Key Year
1609
Invention
Laws of Planetary Motion