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

See Examples For:

Kepler

Rocket Lab said it now has a deal to operate a mission for Kepler Communications, using its Neutron rocket, which is on schedule to be rolled out to the launch pad next quarter.

From MarketWatch ● Aug. 10, 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

Kepler Interactive itself is not exactly an small indie production, but a collective made up of several independent studios.

From BBC ● Feb. 20, 2026

Indeed, Kepler gave the printing press a prominent place in the frontispiece to the Rudolphine tables, which celebrated the progress of astronomy from the ancient world to the modern era.

From "The Invention of Science" by David Wootton