The Kepler telescope, which has provided so much information on planetary bodies outside our solar system, was not idly named. Johannes Kepler, who the telescope was named for, was a German astronomer ...

Kepler's laws show the effects of gravity on orbits. They apply to any object that orbits another: planets orbiting the Sun, moons orbiting a planet, spacecraft orbiting Earth.

In Astronomy's 2022 list of the 20 greatest astronomers of all time, Associate Editor Michael Bakich put Johannes Kepler, born Dec. 27, 1571, in Germany, at No. 3. He was ranked behind only his ...

In 2009, a NASA spacecraft, fresh off the launchpad, drifted into an orbit high above Earth. The Kepler telescope would circle the sun, but its attention would be focused elsewhere, far beyond the ...