Bytes Europe · Claim: Uranus and Neptune have oceans that are 5000 miles deepBurkhard Militzer, a professor of Earth and planetary science at the University of California, Berkeley, has put forth a model that challenges older notions and draws on the principles of immiscibility – when substances refuse to mix, like oil and water. Militzer believes that under the extreme conditions found in the deep layers of these planets, ingredients such as water (H₂O), methane (CH₄), and ammonia (NH₃) behave in unexpected ways. “We now have, I would say, a good theory about why Uranus and Neptune have really different fields, and it’s very different from Earth, Jupiter, and Saturn,” Militzer explained. ...