Mysterious ‘swollen’ planet can finally be explained by James Webb Space Telescope

An artist

A surprisingly low methane reservoir could explain how a planet around a nearby star became strangely puffy, according to new observations from the James Webb Space Telescope (JWST). The finding shows that planetary atmospheres can inflate to remarkable amounts without resorting to esoteric theories of planet formation, astronomers say. “The Webb data tells us that … Read more

Webb Space Telescope Cracks Case of Swollen Exoplanet “Microwave Marshmallow”.

SciTechDaily

The warm gas giant WASP-107 b, known for its unusually low density and moderate temperature, may have an inflated atmosphere due to tidal heating that warms its interior more than previously thought. (Artist’s concept.) Credit: SciTechDaily.com A surprising depletion of methane suggests that tidal heating has puffed up the atmosphere of warm gas giant WASP-107 … Read more

The James Webb Space Telescope may have solved a swollen planet mystery. Here’s how

A surprisingly low methane reservoir could explain how a planet around a nearby star became strangely bloated, according to new observations from the James Webb Space Telescope (JWST(. The finding shows that planetary atmospheres can inflate to remarkable amounts without resorting to esoteric theories of planet formation, astronomers say. “The Webb data tells us that … Read more