- the square of the period of a planet's orbit is proportional to the cube of this earth's semimajor axis; the constant of proportionality is similar for several planets. by DanielReport definition
- Definition for "Kepler's Third Law"
- a law stating that the proportion for the…
- View More
- Hypernym for "Kepler's Third Law"
- Astronomy Dictionary for "Kepler's Third Law"