An astronomer observes a very small moon
orbiting a planet and measures the moon’s
minimum and maximum distances from the
planet’s center and the moon’s maximum orbital
speed. Which of the following CANNOT be
calculated from these measurements?
(A) Mass of the moon
(B) Mass of the planet
(C) Minimum speed of the moon
(D) Period of the orbit
(E) Semimajor axis of the orbit
An astronomer observes a very small moon
orbiting a planet and measures the moon’s
minimum and maximum distances from the
planet’s center and the moon’s maximum orbital
speed. Which of the following CANNOT be
calculated from these measurements?
(A) Mass of the moon
(B) Mass of the planet
(C) Minimum speed of the moon
(D) Period of the orbit
(E) Semimajor axis of the orbit