¿Por qué Venus perdió toda su agua? Un estudio científico asegura haber encontrado la respuesta

Las teorías científicas más fuertes sobre Venus dicen que nuestro vecino planetario alguna vez tuvo agua. Estudios realizados sobre su atmósfera, de la que dicen que es 100 veces más densa que la de la Tierra, muestran detalles en su superficie que nos dicen que el vital líquido existió en este mundo, que es de los más calientes del Sistema Solar.

Los científicos estudian las causas que llevaron a que el agua se escapara de Venus. Al ser nuestro vecino más cercano, y gemelo por las características que compartimos, descifrar esta información servirá para que encontremos vida en algún otro sistema planetario de la Vía Láctea o de otra galaxia.

El portal de Bio Bio se hace eco de una investigación publicada por la Universidad de Colorado Boulder (CU Boulder) en la que aseguran haber descubierto los motivos por los que el agua se evaporó de Venus. El estudio señala que en este mundo hubo tanta agua como en la Tierra, pero ahora lo que hay son un nido de volcanes generando magma, para convertir su entorno en un lugar infernal.

¿por qué venus perdió toda su agua? un estudio científico asegura haber encontrado la respuesta

THIBAUT ROGER/EUROPLANET 2024 RI/HADID ET

Para explicar la pérdida del agua de Venus, los científicos plantean un concepto llamado “recombinación disociativa”. Se le conoce con este nombre a un proceso químico en el que un ion molecular se recombina con un electrón, liberando energía en forma de luz o calor. En nuestro planeta, este ciclo es el responsable de la creación de la capa de ozono, porque hace que los átomos de hidrógeno se disparen hacia el exterior.

La científica a cargo de este estudio realizó simulaciones con los datos de lo que ya se conoce de Venus y encontraron que en nuestro vecino esto ocurrió de manera exagerada. Entonces así explican la densidad de la atmósfera y que el agua se haya evaporado por completo.

“Estamos tratando de descubrir qué pequeños cambios ocurrieron en cada planeta para llevarlos a estos estados tan diferentes”, dijo Eryn Cangi, científica investigadora del Laboratorio de Física Atmosférica y Espacial (LASP) y coautora principal del estudio.

Hay todavía algunas preguntas por responder y para eso hay una exploración que se prepara para visitar Venus (misión no tripulada) en 2025.

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