Kepler's Second Law states

Question

Second Law Right Before Your Eyes ...

a
The area swept out by an orbiting object must be the same for the same time period at any point of the orbital path
b
All orbiting objects in the solar system orbit in elliptical shapes, with the Sun as one of the foci
c
The square of the orbital period of an orbiting object is proportional to the cube of the length of the object's semi-major axis

Answer 1

Kepler's Second Law, also known as the Law of Equal Areas, states that:

a. The area swept out by an orbiting object must be the same for the same time period at any point of the orbital path.

This law implies that an orbiting body will move faster when it is closer to the central body (like the Sun) and slower when it is farther away, ensuring that the areas swept out are equal over equal time intervals.

The other two statements pertain to Kepler's First and Third Laws, respectively:

• b refers to Kepler's First Law, which states that all planets move in elliptical orbits with the Sun at one of the foci.
• c refers to Kepler's Third Law, which states that the square of the orbital period of a planet is proportional to the cube of the semi-major axis of its orbit.