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September 3-9, 2018 / Vol 37, No 36 / Hawai`i Island, USA

31 Aug 2018, 19:30 UTC
September 3-9, 2018 / Vol 37, No 36 / Hawai`i Island, USA
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Jupiter Observations with Juno; Looking Toward Solar System Complete Exploration

Juno is heading into its 14th science flyby of gas giant Jupiter on September 7 to come within 3,500 km of cloud tops – where the magnetic field is 20 times stronger than that of Earth. It is working to collect data on Jupiter core, composition, radio waves, auroras, polar regions, wind and radiation dynamics. Jupiter accounts for more than 70% of total planetary mass in the SS, is 143,000-km wide, averages 5.2 AU from the Sun making one full revolution every 12 years, with temperatures of -145° C in the clouds to an estimated 24,000° C at its core, wind speeds from 310 km/h to >645 km/h, and gravity 2.4 times the force than Earth. It is home to the Great Red Spot located 22° S of equator, 3 rings and 79 known moons – some of the most geologically active and potentially habitable in the SS. Rainfalls of diamonds may occur on Jupiter, as well as on Saturn, Uranus and Neptune. Juno is expected to remain at Jupiter until at least Aug 2021. Future craft include ESA Jupiter Icy Moon Explorer (JUICE) launching 2022, followed by NASA Europa ...

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