sábado, 13 de diciembre de 2025

Image B: Super-Earth Exoplanet TOI-561 b (Artist's Concept)

https://science.nasa.gov/missions/webb/nasas-webb-detects-thick-atmosphere-around-broiling-lava-world/?utm_source=newsletter&utm_medium=email&utm_campaign=nn202541 Researchers using the James Webb Space Telescope have detected the strongest evidence yet for an atmosphere on a rocky planet outside our solar system. Observations of the ultra-hot super-Earth TOI-561 b suggest that the exoplanet is surrounded by a thick blanket of gases above a global magma ocean. The results help explain the planet’s unusually low density and challenge the prevailing wisdom that relatively small planets so close to their stars are not able to sustain atmospheres.

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