Why is the moon Io volcanically active with a hot interior?
A) Radioactive decay of elements in Io's core heat up the rock to molten temperatures.
B) Io is very close to the Sun.
C) Io was formed later than the other Galilean satellites, so it hasn't finished cooling yet.
D) Io gets flexed between the changing gravitational pulls of Jupiter and Europa, heating it by friction.

Question

Quizplus · Accepted Answer

Io's volcanic activity is primarily due to tidal heating, caused by the gravitational pull from Jupiter and its neighboring moons, which creates friction and heat within Io's interior.

Why Is the Moon Io Volcanically Active with a Hot