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Exoplanetas
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Exoplanetas

Los exoplanetas son mundos que orbitan alrededor de otras estrellas, al igual que la Tierra orbita alrededor del Sol. Mientras que nuestro sistema solar tiene ocho planetas vinculados a una estrella central, los exoplanetas extienden este concepto a todo el universo. Pueden ser gigantes gaseosos como Júpiter o mundos rocosos similares a la Tierra. Los astrónomos han descubierto miles de ellos, y cada estrella en el cielo nocturno podría ser un "Sol" potencial para sus propios satélites. Estos cuerpos nos ayudan a comprender si nuestra disposición planetaria es común o única.
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Latest news from Exoplanetas

TOI-5322 b orbits an ancient star in the milky way thick disk
iconYesterday
iconEstrellas | Exoplanetas | Júpiter caliente | TESS
Image: TOI-5322 b orbits an ancient star in the milky way thick disk
The planet TOI-5322 b is a hot Jupiter, a large gas giant planet that orbits extremely close to its parent star. Recent observations identify its host star as a member of the high-alpha thick disk of the Milky Way. This region consists of older, chemically distinct stars that formed in the galaxy long ago. By identifying planets within this ancient stellar population, researchers can better understand how different galactic environments influence the formation and long-term evolution of giant pl...
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WASP-33 b and other hot Jupiters identified as prime targets for structural studies
icon16. 10. 2026
iconEstrellas | Exoplanetas | Júpiter caliente | Telescopio espacial James Webb
Image: WASP-33 b and other hot Jupiters identified as prime targets for structural studies
WASP-33 b, WASP-76 b, and HAT-P-32 b are identified as the best candidates for studying how stellar gravity shapes exoplanet interiors. Measuring their physical deformation will help reveal their deep, internal density structures using JWST and Ariel data....
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Atmospheric structure of WASP-94 A b revealed through new limb asymmetry method
icon16. 10. 2026
iconEstrellas | Exoplanetas | Atmósferas planetari
Image: Atmospheric structure of WASP-94 A b revealed through new limb asymmetry method
A new analysis of WASP-94 A b reveals a 415 K temperature difference between its morning and evening sides. The evening atmosphere shows signs of H2O, CO2, CO, and H2S, while the morning side remains obscured by aerosols....
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Thick-disk stars identified as hosts to ancient hot jupiter planets
icon16. 10. 2026
iconEstrellas | Exoplanetas | Estrellas de tipo solar | Júpiter caliente | Formación planetari
Image: Thick-disk stars identified as hosts to ancient hot jupiter planets
New analysis of 268 stars identifies several hot Jupiters orbiting ancient stars in the Milky Way's thick disk. These systems, over 8 billion years old, show distinct differences in mass and orbital periods compared to younger thin-disk populations....
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Atmospheric composition of hot Jupiter KELT-2A b reveals chemical history
icon15. 10. 2026
iconEstrellas | Exoplanetas | Júpiter caliente | Atmósferas planetari
Image: Atmospheric composition of hot Jupiter KELT-2A b reveals chemical history
New observations of hot Jupiter KELT-2A b confirm water vapor in its atmosphere. The planet shows a carbon-to-oxygen ratio similar to its host star but with overall lower metallicity, suggesting a complex migration history from far out in its star system....
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