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European Space Agency Is Juiced About Jupiter's Moons
Baku, May 5 (AzerTAc). Yupiter’s icy moons are the focus of Europe’s next large science mission, ESA announced recently. The program was chosen over the New Gravitational Wave Observatory (NGO), that would have hunted for gravitational waves, and ATHENA, the Advanced Telescope for High-Energy Astrophysics.
The Jupiter Icy moons Explorer – JUICE – was selected over two other candidates: NGO, the New Gravitational wave Observatory, to hunt for gravitational waves, and ATHENA, the Advanced Telescope for High-Energy Astrophysics.
JUICE is the first Large-class mission chosen as part of ESA’s Cosmic Vision 2015-2025 programme.
It will be launched in 2022 from Europe’s spaceport in Kourou, French Guiana, on an Ariane 5, arriving at Jupiter in 2030 to spend at least three years making detailed observations.
Jupiter’s diverse Galilean moons – volcanic Io, icy Europa and rock-ice Ganymede and Callisto – make the jovian system a miniature Solar System in its own right.
With Europa, Ganymede and Callisto all thought to host internal oceans, the mission will study the moons as potential habitats for life, addressing two key themes of the ESA's Cosmic Vision program: what are the conditions for planet formation and the emergence of life, and how does the Solar System work?
The spacecraft will visit Callisto, the most heavily cratered object in the Solar System, and will twice fly by Europa. JUICE will make the first measurements of the thickness of Europa’s icy crust and will identify candidate sites for future in situ exploration.
The spacecraft will finally enter orbit around Ganymede in 2032, where it will study the icy surface and internal structure of the moon, including its subsurface ocean.
Ganymede is the only moon in the Solar System known to generate its own magnetic field, and JUICE will observe the unique magnetic and plasma interactions with Jupiter’s magnetosphere in detail.
“Jupiter is the archetype for the giant planets of the Solar System and for many giant planets being found around other stars,” says Prof. Alvaro Giménez Cañete, ESA’s Director of Science and Robotic Exploration.
“JUICE will give us better insight into how gas giants and their orbiting worlds form, and their potential for hosting life.”
“JUICE is a necessary step for the future exploration of our outer Solar System.”The high scientific value of both NGO and ATHENA was also recognised by the Science Programme Committee in today’s decision, and technology activities are planned to continue, enabling the missions to be considered as candidates for future launch opportunities. A second Call for Large Missions is expected in 2013.