Each planet's orbit results from the balance between its velocity and the sun's gravitational force, creating elliptical paths described by Kepler's laws of motion. Similarly, moons remain in ...

Johannes Kepler, a German mathematician born in 1571, is best known for formulating the laws of planetary motion. However, not everyone knows he was also a keen observer of the Sun. In 1607 ...

Learn about the life and scientific contributions of Johannes Kepler, the 17th-century astronomer known for his laws of ...