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Tag: Jupiter moons

  • How do you imagine life around Jupiter? šŸ§ #shorts

    How do you imagine life around Jupiter? šŸ§ #shorts

    Determining whether the Jovian moons provide the right conditions for habitability is one of the Jupiter Icy Moons Explorer, Juice, core objectives. Could life have appeared somewhere there? Do any of the Galilean moons have the building blocks needed for life?

    By studying the Galilean moonsā€™ hidden oceans, magnetism, heating processes, tidal effects, orbits, surface activity, cores and compositions, atmospheres and space environments, Juice will investigate whether the conditions necessary for life could ever have emerged on Ganymede, Europa or Callisto. Juice will help us to understand these worlds not only as planetary bodies but also as possible habitats for life. Juiceā€™s high-resolution mapping will hunt for biologically essential and important elements (such as carbon, oxygen, nitrogen, magnesium and iron).

    These moons are especially exciting prospects for life given their hidden subsurface oceans. Characterising their habitability will have far-reaching scientific implications well beyond the Jupiter system itself, and will help us understand the general habitability of icy worlds across the Universe. Importantly, Juiceā€™s second target of the wider Jupiter system will reveal more about the general prospects for habitability in similar planetary systems around other stars.

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  • Could life exists on a frozen icy world? šŸ„¶ #shorts

    Could life exists on a frozen icy world? šŸ„¶ #shorts

    Ganymede is the primary scientific target of the Jupiter Icy Moons Explorer, Juice, mission. With a diameter of about 5260 km, larger than that of Pluto and Mercury, Ganymede tops the Solar-System moonsā€™ size chart. It is the seventh moon from the gas giant (and the third among the Galilean satellites) and orbits Jupiter at a distance of more than 1 million kilometres. Researchers believe there is tidal heating on Ganymede, although to a much smaller degree than on Io and Europa. This heat could drive some tectonic activity and provide one of the necessary conditions for life to emerge: a source of energy.

    This high-resolution mapping of the surface can help constrain the moonā€™s composition and mineralogy, and assess how habitable Ganymede could be by searching for biosignatures. Observations at various wavelengths will allow astronomers to study non-water-ice material to determine the distribution of biologically essential elementsā€”such as carbon or oxygenā€”and other important elementsā€”such as magnesium and ironā€”on the planetary body. The mission will also shed light on the origin and evolution of the materials on the surface by exploring which substances form at Ganymede and which are brought in from the plasma environment around the moon.

    To study Ganymede in detail, Juice will enter orbit around it, becoming the first spacecraft to orbit a moon in the outer Solar System. The dedicated orbital tour is expected to last about eight months and will be the final stage of the mission.

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