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Tag: wasp-121

This artist’s impression shows an ultra-hot exoplanet, a planet beyond our Solar System, as it is about to transit in front of its host star. When the light from the star passes through the planet’s atmosphere, it is filtered by the chemical elements and molecules in the gaseous layer. With sensitive instruments, the signatures of those elements and molecules can be observed from Earth. Using the ESPRESSO instrument of ESO’s Very Large Telescope, astronomers have found the heaviest element yet in an exoplanet's atmosphere, barium, in the two ultra-hot Jupiters WASP-76 b and WASP-121 b.

Researchers discover the heaviest substance ever found in an exoplanet’s atmosphere

byJordan Strickler

October 13, 2022

Barium is 2.5 times the weight of iron.

© 2007-2023 ZME Science - Not exactly rocket science. All Rights Reserved.

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© 2007-2023 ZME Science - Not exactly rocket science. All Rights Reserved.