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 ...

It is to Kepler that we owe the discovery that all the planets revolve around the sun in ellipses. This was the first of his three famous laws of planetary motion, which describe mathematically ...

Johannes Kepler’s laws of planetary motion were based on data collected by Danish astronomer Tycho Brahe. James Watson and Francis Crick discovered the double helical structure of DNA ...

The sun is located at one of the focal points of this ellipse. According to Johann Kepler's law's of planetary motion, developed during the 1600s, Earth is moving (relative to the sun) faster than ...