WASP-121b, also known as Tylos, is a giant, ultra-hot, gaseous planet located 858 light years from Earth. It's hot because it ...

WASP-121b is an ultra-hot giant planet that orbits its host star at a distance of only about twice the star's diameter, completing one orbit in approximately 30.5 hours.

But because WASP-121b is an ultra-hot Jupiter with extreme temperatures, both materials are vaporized into the atmosphere and are detectable with the high spectral resolution of IGRINS.

WASP-121b is like nothing in the solar system, raining liquid metal and being puffy like a marshmallow. The origins of these "toasted marshmallow" planets could be more complicated than thought.

WASP-121b is an exoplanet (meaning a world beyond our solar system) called a "hot Jupiter" because it's a gaseous giant that orbits close to its searing star.Crucially, the planet is tidally ...

The distant world WASP-121b is so hot that it hosts metallic clouds and rains gems.. Astronomers discovered the gas giant planet — dubbed a "hot Jupiter" — in 2016, but have continued to ...

WASP-121b must have subsequently migrated from the cold, outer regions towards the inner disc, where it now orbits near its star. Credit. T. Müller (MPIA/HdA) Usage Restrictions.

WASP-121b has roughly the same mass as Jupiter but twice the diameter, making it puffier. It is located about 900 light-years from Earth in the direction of the constellation Puppis.

As the researchers explain in a new paper published in the Astronomical Journal, WASP-121b is so hot and so close to its star that it’s been deformed into an oblong, football-like shape.

WASP-121b is an ultra-hot giant planet that orbits its host star at a distance of only about twice the star's diameter, completing one orbit in approximately 30.5 hours.

WASP-121b is an ultra-hot giant planet that orbits its host star at a distance only about twice the star's diameter, completing one orbit in approximately 30.5 hours.