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Planetas océano
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Planetas océano

Los planetas océano, o mundos acuáticos, contienen enormes cantidades de agua, mucho más que la Tierra, donde los océanos representan solo una fracción de la masa total. El agua puede cubrir toda la superficie con decenas de kilómetros de profundidad o esconderse bajo una capa de hielo, como en la luna Europa en nuestro sistema solar. Que el agua sea líquida depende de la distancia a su estrella y de la atmósfera. Tienen una densidad menor que los mundos rocosos. Bajo la presión extrema del océano, se forman tipos exóticos de hielo en el fondo que separan el agua del núcleo rocoso.
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Latest news from Planetas océano

Atmospheric composition of sub-Neptune planets around Red dwarf stars reveals new hybrid class
icon6. 10. 2026
iconEstrellas | Exoplanetas | Enanas rojas | Telescopio espacial James Webb | Atmósferas planetarias | Planetas océano
Image: Atmospheric composition of sub-Neptune planets around Red dwarf stars reveals new hybrid class
Sub-Neptune planets orbiting Red dwarf stars are typically categorized into two groups: gas dwarfs, which consist of a rocky core surrounded by a primary hydrogen and helium envelope, and water worlds, which are volatile-rich bodies that formed in the colder regions of their star systems. Distinguishing between these two types based solely on mass and radius is often difficult because their physical characteristics can overlap, making their observed properties appear identical even if their orig...
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Methanol search in the water-rich planet-forming disk around HL Tauri
icon5. 3. 2026
iconEstrellas | Exoplanetas | Formación planetaria | Objetos estelares jóvenes | Planetas océano
Image: Methanol search in the water-rich planet-forming disk around HL Tauri
A new study searched for methanol in the planet-forming disk around HL Tauri but found none. The results suggest thick dust may hide methanol, making its detection difficult. This could mean HL Tau's chemistry is different from other young stars....
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Three super-Earths TOI-260 b, TOI-286 b, and TOI-286 c confirmed
icon11. 6. 2024
iconEstrellas | Exoplanetas | Supertierras | Planetas océano
Image: Three super-Earths TOI-260 b, TOI-286 b, and TOI-286 c confirmed
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New analysis of the nearby LHS 1140 system: LHS 1140 b is either a temperate mini-Neptune or a water world
icon24. 10. 2023 (aceptado)
iconEstrellas | Exoplanetas | Planetas océano
Image: New analysis of the nearby LHS 1140 system: LHS 1140 b is either a temperate mini-Neptune or a water world
...
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