NASA: Encelade has hydrothermal sources and ingredients of life NASA had given an appointment to the world on yesterday evening to unveil some recent major discoveries on the "extraterrestrial ocean worlds". And it is finally the moon of Saturn Encelados that will have been at the heart of the discussions.NASA made its announcement last night about the discoveries made by Hubble and Cassini around Enceladus, a moon of Saturn known to be covered with a thick layer of ice.
The space agency announced that the moon was ejecting hydrogen in large quantities through the cracks of its frozen crust. These ejections are caused by hydrothermal sources, the moon actually having hot spots.Hubble would also have discovered warm regions on the surface of Europe, a Jupiter moon long considered a possible home to extraterrestrial life forms under its frozen crust.
These two discoveries suggest that the two moons have favorable conditions for the formation of life, in microbial or other form. Both moons have all the ingredients: water, energy source and minerals.
For the moment, it is impossible to know whether Enceladus or Titan already harbors life forms. Already scientists alert us: "If there is indeed a form of life on these planets, it should not resemble anything we know, for it is an enclosed environment."Europa Clipper, the mission planned in 2020 could partially answer this question by positioning a probe capable of breaking the ice crust of Europe to carry out analyzes in its ocean.
source : NASA
suivre Dhaouadi Aymensur
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