What Is "The Jovian Problem

Multiple Choice

What is "the Jovian problem"?

A) the high speed at which the Jovian planets rotate on their axes and the consequent flattening of their shapes
B) the existence of rings around the Jovian planets
C) the excess heat radiated by the larger of the Jovian planets
D) the apparently short period of time that disks exist around stars from which Jovian planets can form