Webb Telescope shows exoplanet 'toasting' as it nears its star

The James Webb Space Telescope has captured unprecedented data revealing dramatic thermal and chemical shifts on exoplanet HD 80606 b as it swings close to its host star. The observations show the planet's atmosphere heating up by a staggering 1,100 degrees Fahrenheit during its closest approach.

HD 80606 b orbits its star in a highly elliptical path, leading to extreme temperature fluctuations. Scientists used Webb's Near-Infrared Spectrograph (NIRSpec) to measure the infrared light emitted by the planet's atmosphere. This allowed them to detect changes in temperature and the presence of specific molecules as the planet experienced its stellar 'roast'.

These findings offer a unique glimpse into the atmospheric behavior of planets under intense stellar radiation. Understanding how exoplanets like HD 80606 b react to such extreme conditions helps astronomers refine models of planetary formation and atmospheric evolution across the galaxy. The data collected by Webb is crucial for characterizing the diversity of planets beyond our solar system.