Useful english dictionary. 2012.
Kepler's laws of planetary motion — In astronomy, Kepler s Laws of Planetary Motion are three mathematical laws that describe the motion of planets in the Solar System. German mathematician and astronomer Johannes Kepler (1571–1630) discovered them.Kepler studied the observations… … Wikipedia
Kepler's laws of planetary motion — ▪ astronomy in astronomy and classical physics, laws describing the motions of the planets in the solar system. They were derived by the German astronomer Johannes Kepler, whose analysis of the observations of the 16th century Danish… … Universalium
Kepler's law — noun (astronomy) one of three empirical laws of planetary motion stated by Johannes Kepler • Syn: ↑Kepler s law of planetary motion • Topics: ↑astronomy, ↑uranology • Hypernyms: ↑law, ↑ … Useful english dictionary
law of nature — noun a generalization that describes recurring facts or events in nature (Freq. 3) the laws of thermodynamics • Syn: ↑law • Hypernyms: ↑concept, ↑conception, ↑construct • … Useful english dictionary
law of areas — noun a law concerning the speed at which planets travel; a line connecting a planet to the sun will sweep out equal areas in equal times Kepler s second law means that a planet s orbital speed changes with its distance from the sun • Syn: ↑Kepler … Useful english dictionary
law of equal areas — noun a law concerning the speed at which planets travel; a line connecting a planet to the sun will sweep out equal areas in equal times Kepler s second law means that a planet s orbital speed changes with its distance from the sun • Syn: ↑Kepler … Useful english dictionary
Kepler's second law — noun a law concerning the speed at which planets travel; a line connecting a planet to the sun will sweep out equal areas in equal times Kepler s second law means that a planet s orbital speed changes with its distance from the sun • Syn: ↑law of … Useful english dictionary
Kepler's third law — noun a law stating that the ratio of the square of the revolutionary period (in years) to the cube of the orbital axis (in astronomical units) is the same for all planets • Syn: ↑harmonic law • Hypernyms: ↑Kepler s law, ↑Kepler s law of planetary … Useful english dictionary
Kepler's first law — noun a law stating that the orbit of each planet is an ellipse with the sun at one focus of the ellipse • Hypernyms: ↑Kepler s law, ↑Kepler s law of planetary motion … Useful english dictionary
Motion (physics) — Motion involves change in position, such as in this perspective of rapidly leaving Yongsan Station In physics, motion is a change in position of an object with respect to time. Change in action is the result of an unbalanced force. Motion is… … Wikipedia
