Jupiter's Tidal Force on Its Moon Europa Is Thought to Keep

question 55

Essay

Jupiter's tidal force on its moon Europa is thought to keep Europa's interior hot enough for liquid oceans to exist under its icy surface.How much larger is the tidal force of Jupiter on Europa compared to that of the Earth on the Moon? Europa has a semimajor axis that is 1.7 times the Moon's semimajor axis,and a mass that is 0.7 times that of the Moon.The diameter of Jupiter is 11 times that of the Earth,and the mass of Jupiter is 320 times that of the Earth.

---

Definitions:

Cochlea

is a spiral-shaped, fluid-filled inner ear structure responsible for converting sound vibrations into nerve impulses that are interpreted by the brain.

Vestibule

An entryway or chamber that can be the central part of the ear, or an area at the mouth's entrance.

Semicircular Canals

Three looping fluid-filled tunnels in the inner ear that are involved in maintaining balance and sensing head rotation.

Cochlea

A spiral-shaped cavity in the inner ear that plays a key role in the sense of hearing by converting sound vibrations into nerve impulses.