We Finally Know What The Interior Of Jupiter Looks Like - Physics-Astronomy.org

We Finally Know What The Interior Of Jupiter Looks Like



When you spend almost more than $1 billion on a beautiful spacecraft, it can be a very nervous wait to see if everything actually pays off. But if and when it does, the results can be rather glorious. And NASA’s Juno spacecraft has just paid off in a huge way.




One of the major goals of the Juno mission, which began in July 2016 when the probe entered orbit around Jupiter, has been to study the interior of this fascinating gas giant. We can see its amazing cloud tops, sure, but we really didn’t know what’s going on inside.




Well, that all changes as of today. In a series of four papers published today in Nature, and an accompanying News and Views article, the latest results from the spacecraft have been revealed. And, for the first time, we’ve actually got a good idea of what’s happening beneath the cloud tops.

“It’s a first view of how a gas giant planet works on the inside,” Jonathan Fortney from the University of California, Santa Cruz, who penned the News and Views article, told IFLScience.

While they focus on different areas of research, they largely have a similar theme – namely relating to some of Jupiter’s key characteristics.


One of the major findings is that we now know how far down Jupiter’s atmosphere extends, 3,000 kilometers (1,860 miles) down from the cloud tops, which is much larger than expected. Once you reach this depth, the composition of the planet changes dramatically.

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