A full disk image of Jupiter taken by NASA's Hubble Space Telescope

Jupiter Makes Its Own Weather Engine

Jupiter gives off more heat than it receives from the Sun. That extra energy comes from deep inside the planet as Jupiter slowly contracts.

Jupiter’s Hidden Heat

Size of Jupiter compared to Earth and Earth's Moon

The Planet Is Still Shrinking

This ongoing contraction makes Jupiter shrink by about 1 millimetre a year. It sounds tiny, but it means the planet is still releasing leftover heat from its past.

Jupiter’s Hidden Heat

Jupiter’s Hidden Heat | DeepSwipe