| Norriss S. Hetherington - 1993 - 648 lehte
...planet moves about the sun in an orbit that is an ellipse, with the sun at one focus of the ellipse. II. **The straight line joining a planet and the sun sweeps...out equal areas in space in equal intervals of time.** III. The squares of the sidereal periods of the planets are in direct proportion to the cubes of the... | |
| ...first law not the second or third because: Kepler's second law (known as the Law of Areas) states: **the straight line joining a planet and the sun sweeps...out equal areas in space in equal Intervals of time.** Kepler's third law (Harmonic Law) states: the squares of the sidereal periods of the planets are in... | |
| Ashish Tewari - 2007 - 556 lehte
...expect it to provide 1. The planets orbit the sun in elliptical orbits, with the sun at one focus. **2. The straight line joining a planet and the sun sweeps out equal areas in** equal times. three more scalar integrals of motion; however, since e and h are related by e • h =... | |
| New Scientist - 2006 - 224 lehte
...is closest to the sun in early January. In accordance with Kepler's second law, which states that a **line joining a planet and the sun sweeps out equal areas in** equal intervals of time, this is the part of the year when the angular velocity of the Earth in its... | |
| Phil Sciotti - 2007 - 29 lehte
...planetary motion. (1) The orbit of a planet about the sun is an ellipse with the sun at one focus. (2) A **line joining a planet and the sun sweeps out equal areas in** equal intervals of time. (3) The square of a planet's period around the sun is directly proportional... | |
| Tim Kirk - 2003 - 182 lehte
...travel around the Sun in ellipitical orbits, in the same direction and in roughly the same plane. • A **line joining a planet and the Sun sweeps out equal areas in** equal time intervals. The time taken for the planet to go from A lo B = the lime taken to go from C... | |
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