What did astronomers learn about Pluto as a result of the discovery of its satellite,Charon?
A)Its size
B)Its mass
C)Its age
D)Its rotation period

Question

Quizplus · Accepted Answer

By measuring the orbit of Charon around Pluto, astronomers were able to determine the mass of both bodies. This allowed them to refine their understanding of Pluto's mass, which had previously been uncertain due to difficulties in measuring the tiny perturbations in the orbits of Pluto's other moons.

What Did Astronomers Learn About Pluto as a Result of the Discovery