5
ALMultiple Choice
The Solar System
Question 5 • PAW SUMMER 18 ASTRONOMY
Kepler's second law states that a planet speeds up as it gets closer to the Sun. The image below shows a planet in its counterclockwise orbit around the Sun. The orbit is highlighted in red. Which of the following statements is true?
Answer
A
The planet is speeding up.B
The planet is slowing down.C
The planet travels at the same speed throughout its orbit.D
The planet's speed varies randomly and does not depend on its orbital position because it rotates counterclockwise.