Further discoveries by Johannes Kepler (1571-1630) confirmed the second of these hypotheses, and added two other discoveries: 1) planetary orbits in the shape of ellipses, and 2) an explanation of ...

Since the launch of the Kepler telescope and observatory in 2009 ... Here are some astonishing recent discoveries about the ...

Many of the greatest scientific discoveries were the result of collaboration. Johannes Kepler’s laws of planetary motion were based on data collected by Danish astronomer Tycho Brahe.