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14 de mayo de 2024
¿hay vida?
Científicos descubrieron un lago en Marte miércoles 25 de julio de 2018 19:44
Tras años de debates sobre si hay agua en estado líquido en Marte, un equipo italiano comprobó la existencia de un lago subterráneo, líquido y salado, bajo una capa de hielo, lo que era una de las misiones de la sonda Mars Express de la Agencia Espacial Europea (ESA) enviada al planeta rojo.
La investigación, que publica la revista Science , fue presentada este miércoles en la sede de la Agencia Espacial Italiana (ASI) y fue calificada por su presidente, Roberto Battiston, como "la más importante de los últimos años".
El importante descubrimiento firmado por un equipo de investigadores italianos concluye que en una región llamada Plamun Australe, localizada en la capa de hielo del Polo Sur de Marte, el perfil que dibuja el radar es muy similar al de los grandes lagos de agua líquida encontrados bajo la Antártida y Groenlandia en la Tierra.
El lago se encuentra, según los datos, bajo 1,5 kilómetros de hielo, se extiende por unos 20 kilómetros y tendría un espesor de solo un metro, pero además es salado, o no se explicaría que fuese agua líquida visto las temperaturas de entre -20 y -70 grados celsius.
Y la eterna pregunta: ¿Hay restos de vida en Marte?. Los autores de esta investigación explican que este lago podría ser perfectamente un "depósito biológico". "Si encontramos más lagos como este podríamos concluir que Marte fue hace tiempo un planeta templado donde se podría haber vivido", señalaron.
(EFE)