Johannes ( joˈhanəs ). 1571–1630, German astronomer. As discoverer of Kepler's laws of planetary motion he is regarded as one of the founders of modern astronomy
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Kep•ler
(kep′lər),USA pronunciation n. Kep•ler•i•an
(kep lēr′ē ən),USA pronunciation adj.
- Astronomya crater in the second quadrant of the face of the moon having an extensive ray system: about 22 miles (35 km) in diameter.
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