United KingdomAstronomers have discovered that clouds in the atmospheres of sub-Neptunes—planets more massive than Earth but less than Neptune—play a significant role in shaping their internal structures. These clouds, composed of vaporized rocks and salts, act as insulating layers, trapping heat and raising temperatures in the deeper atmosphere by over 1,000°C while cooling the upper layers. This effect influences the boundary between the atmosphere and the planet's interior, potentially causing the rocky material at this boundary to melt. The study, led by researchers at Arizona State University, highlights how cloud dynamics affect observations made by the James Webb Space Telescope (JWST), which primarily studies planetary atmospheres. The findings suggest that current interpretations of sub-Neptune compositions might need revision due to the impact of atmospheric clouds.
Bias read (Center): The article discusses scientific research on exoplanet atmospheres and does not involve political figures, policies, or contentious issues. It focuses purely on astronomical findings and their implications for understanding planetary formation, with no apparent ideological framing or bias.
