How was the rotation rate of Jupiter's core determined?
A)by observing the Great Red Spot
B)by watching Io move across the disk of Jupiter
C)by radio observations of Jupiter's rapidly spinning magnetosphere
D)by observing the fastest moving regions of Jupiter's equator
E)by measuring the oblateness of Jupiter's disk

Question

Quizplus · Accepted Answer

The rotation rate of Jupiter's core was determined by radio observations of Jupiter's rapidly spinning magnetosphere. This method allows scientists to measure the rotation rate of the planet's magnetic field, which is coupled to the rotation of the core. The rotation rate of Jupiter's core was determined by radio observations of its rapidly spinning magnetosphere. By studying the behavior of the magnetic field around Jupiter, scientists were able to deduce the rotation rate of the planet's interior.

How Was the Rotation Rate of Jupiter's Core Determined