Welcome to hell.
Astronomers using the European Southern Observatory's Very Large Telescope were surprised to discover barium in the atmospheres of two exo-planets, making it the heaviest element yet to be found in an exoplanet's atmosphere.
The planets, designated WASP-76b and WASP-121b, are what's known as Hot Jupiters — or ultra-hot, in this case — since they're gas giants comparable in size to the original Jupiter here in our solar system., equilibrium temperatures on both worlds rise to nearly 4,000 degrees Fahrenheit. The planets are close enough to their system's star that they only have an orbit of two days.
"Given the high gravity of the planets, we would expect heavy elements like barium to quickly fall into the lower layers of the atmosphere," said paper co-author Olivier Demangeon, a researcher from the University of Porto and the Institute of Astrophysics and Space Sciences, in the release.It's a stunning discovery, not to mention one that demonstrates how much more we have to learn about these fascinating alien worlds.
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