Kepler

American  

[kep-ler] / ˈkɛp lər /

noun

1. Johannes 1571–1630, German astronomer.

2. a 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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Kepler ¹ British  

/ ˈkɛplə /

noun

1. 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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Kepler ² British  

/ ˈkɛplə /

noun

1. a small crater in the NW quadrant of the moon, centre of a large bright ray system

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Kepler Scientific  

/ kĕp′lər /

1. German astronomer and mathematician who is considered the founder of celestial mechanics. He was first to accurately describe the elliptical orbits of Earth and the planets around the Sun and demonstrated that planets move fastest when they are closest to the Sun. He also established that a planet's distance from the Sun can be calculated if its period of revolution is known.

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Other Word Forms

• Keplerian
  adjective

Example Sentences

Kpler, a stylized evocation of 17th-century German astronomer Johannes Kepler, was founded in 2014 by François Cazor and Jean Maynier, who had both previously worked in banking and trading.

From The Wall Street Journal • May 3, 2026

Kepler also identified around 3,000 eclipsing binary systems, where one star periodically passes in front of the other.

From Science Daily • Apr. 19, 2026

"The war is going to be a big talking point," said Jon Cox, an industry analyst with Kepler Cheuvreux financial services.

From Barron's • Apr. 14, 2026

It is also nominated for best independent game - a selection that may prove controversial as the project was worked on by global support studios and had the backing of publisher Kepler Interactive.

From BBC • Nov. 17, 2025

Kepler wrote to the only two good contacts he had, Maestlin and Tycho, asking for help.

From "The Scientists" by John Gribbin