Webb detects ammonia and unexpected chill on a distant giant planet
3 Articles
3 Articles
Webb detects ammonia and unexpected chill on a distant giant planet
Using the James Webb Space Telescope (JWST), a team of astronomers led by the University of Maryland identified water, methane and ammonia in the atmosphere of HATS-6 b, a giant planet 500 light-years from Earth. The observations also revealed that HATS-6 b may be significantly cooler than standard calculations predict—suggesting that the planet's relationship with its star may be far more complicated than previously thought.
James Webb Telescope Finds Ammonia on a Puzzling Giant Planet
A giant planet about 500 light-years from Earth is giving astronomers two puzzles to solve. It appears to contain ammonia, a gas rarely detected in the atmosphere of a planet beyond our solar system. Early estimates also suggest it may be much cooler than expected. The planet, called HATS-6 b, is roughly the size of […]
Around 500 light-years away, the gas giant HATS-6 b astronomers pose several puzzles, as Webb spectra reveal water, methane, carbon dioxide and rarely detected ammonia. At the same time, atmospheric models only produce around 514 Kelvin, almost 200 Kelvin less than expected from orbit. This could indicate highly reflective clouds or haze. College Park (U.S.A.). Red dwarf stars [...] The article James-Webb telescope shows that gas giant is signif…
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