Tag: JUICE

  • NASA invites ESA to build Europa piggyback probe

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    Artist’s concept of the Europa Clipper spacecraft. Credit: NASA/JPL-Caltech After walking away from a previously planned joint mission to Jupiter, NASA has asked the European Space Agency if it can furnish a lander or ice-penetrating probe for a rejuvenated U.S.-led robotic spacecraft to visit Jupiter’s moon Europa. NASA’s mission to Europa is scheduled to launch…

  • Hubble observations reveal ocean on Ganymede

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    In this artist’s concept, the moon Ganymede orbits the giant planet Jupiter. NASA’s Hubble Space Telescope observed aurorae on the moon controlled by Ganymede’s magnetic fields. This field is embedded in Jupiter’s own immense magnetosphere (yellow field lines). A saline ocean under the moon’s icy crust reduces shifting in the auroral belts as measured by…