But on Uranus and Neptune, that's not the case. Instead, their magnetic field is generated in the mantle. And Militzer discovered that the composition of the planets' upper mantle is much ...

And NASA is in the process of preparing a Uranus orbiter and probe mission. And I’m just advocating, you should bring the right instrument to detect such a novel two-layer structure in the mantle.

These conditions apply in the interior of the ice planets Uranus and Neptune (dark grey ... For comparison: At the core-mantle boundary of the Earth at a depth of approx. 2900 kilometres ...