What does Keplers third law mean?
• KEPLER’S THIRD LAW (noun) The noun KEPLER’S THIRD LAW has 1 sense: 1. 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 Familiarity information: KEPLER’S THIRD LAW used as a noun is very rare.