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SEarChing REcent CrYomagmatism in Ceres and Europa, astrobiological targets

Project description

Material changes in ‘ocean worlds’ could reveal clues about life

Scientists have long been fascinated by ‘ocean worlds’ – icy celestial bodies that may hold subsurface liquid water that is a key ingredient for life. Moons like Europa (Jupiter), Titan and Enceladus (Saturn) and Ceres (dwarf planet) have shown evidence of water interacting with organic materials and hot rocks. With the support of the Marie Skłodowska-Curie Actions programme, the SECRECY project aims to uncover clues to the habitability of these icy worlds by studying how water-based substances travel from beneath the crust to the surface. By examining these transformations under diverse conditions and using tools like infrared and Raman spectroscopy, researchers will analyse their composition and transformation. Project findings will help interpret space mission data, paving the way for future exploration of these intriguing worlds.

Objective

"The motivation of this project is to contribute to the search and characterization for potentially habitable planetary environments. During the two last decades, missions to the outer solar system, such as Galileo to the Jupiter system, Cassini-Huygens to the Saturn system and Dawn to the main protoplanets of the asteroid belt, have discovered several ""ocean worlds"". Jupiters moon Europa, Saturns moons Titan and Enceladus, and the dwarf planet Ceres, show signs that indicate the presence of liquid water in their interiors, potentially interacting with organic compounds and hot rocks. These ""ocean worlds"" are now considered as prime astrobiological targets by the major space agencies ESA and NASA.
This project proposes a strategy to identify freshly erupted materials at the surface of these icy bodies and provide informations on their composition and on the subsurface source. Specifically, it is focused on Europa and Ceres, the most accessible targets for in-situ landing missions. For this purpose, we will experimentally study the processes that aqueous solutions of diverse compositions undergo from their emplacement in the interior of the crust at medium-high pressure and relatively low temperature, to their subsequent arrival at the surface at high vacuum and much lower temperature.
Infrared and Raman spectroscopies and mass spectrometry instruments will be used to characterize the different processes from the source conditions to the surface emplacement and subsequent alteration. These techniques are within the science payload of past, current and future missions. Therefore, the data obtained in the laboratory will be used as public databases to assist in the interpretation of spectra taken on space missions.
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Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-PF-EF - HORIZON TMA MSCA Postdoctoral Fellowships - European Fellowships

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Call for proposal

(opens in new window) HORIZON-MSCA-2022-PF-01

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Coordinator

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS
Net EU contribution
€ 195 914,88
Address
RUE MICHEL ANGE 3
75794 Paris
France
Region
Ile-de-France Ile-de-France Paris
Activity type
Research Organisations
Links
Total cost
No data

Partners (1)