If the line joining a planet to the Sun sweeps out a particular area in 1 day, then in 2 days it will sweep out
A) less than twice the area if the planet is approaching perihelion and more than twice the area if it is leaving perihelion.
B) half the area.
C) more than twice the area if the planet is approaching perihelion and less than twice the area if it is leaving perihelion.
D) exactly twice the area.

Question

Quizplus · Accepted Answer

Kepler's second law, also known as the law of equal areas, states that the line joining a planet and the Sun sweeps out equal areas during equal intervals of time. This means that if a certain area is swept in 1 day, exactly twice that area will be swept in 2 days, regardless of the planet's position in its orbit.

If the Line Joining a Planet to the Sun Sweeps