Toward the core, though, there's a thick mantle of metallic hydrogen responsible for Jupiter's staggering magnetic field, and the high pressure in the mantle means that the hydrogen atoms have to pack ...

A photo of Jupiter taken by NASA's Juno spacecraft in September 2023. NASA/JPL-Caltech/SwRI/MSSS, image processing by Tanya Oleksuik The planet Jupiter has no solid ...

Share on Facebook (opens in a new window) Share on X (opens in a new window) Share on Reddit (opens in a new window) Share on Hacker News (opens in a new window) Share on Flipboard (opens in a new ...

When NASA’s Juno spacecraft pointed a sensitive instrument toward the belly of the largest planet in the Solar System, it detected something peculiar: A jet hidden deep below Jupiter’s atmosphere. As ...

Hydrogen is the most-abundant element in the universe. It’s also the simplest–sporting only a single electron in each atom. But that simplicity is deceptive, because there is still so much we have to ...

The structure of the planets, including the earth, can be understood best by studying the behavior of matter under very high pressure. Such is the theory of Astrophysicist William Henderson Ramsey of ...