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NASA’s Galileo Reveals Magma ‘Ocean’ Beneath Surface of Jupiter’s Moon

A new analysis of data from NASA’s Galileo spacecraft has revealed that beneath the surface of Jupiter’s volcanic moon Io is an “ocean” of molten or partially molten magma.

The finding, from a study published May 13 in the journal Science, is the first direct confirmation of such a magma layer on Io and explains why the moon is the most volcanic object known in the solar system. The research was conducted by scientists from UCLA, UC Santa Cruz and the University of Michigan–Ann Arbor. (more…)

Spacecraft will Enable Scientists to Study Space Environment around Moon, Earth

By Guest PostNovember 2, 20102 commentsScienceacceleration, artemis, artemis spacecraft, aurora borealis, earth, electrodynamics, Environment, events, gravity, lunar environment, macroscale interactions, magnetic field, mission, moon environment, NASA, particle acceleration, reconnection, satellites, Space, spacecraft, substorms, sun-earth-moon, themis, time history, turbulence, vassilis angelopoulos

Two spacecraft are now beginning to study the moon’s environment as part of NASA’s ARTEMIS mission, whose principal investigator is Vassilis Angelopoulos, a UCLA professor of Earth and space sciences.

One of these satellites has been in the lunar environment since Aug. 25, and the second arrived Oct. 22, marking the start of the ARTEMIS mission to gather new scientific data in the sun-Earth-moon environment.

About the image: An artist’s rendering of the two ARTEMIS spacecraft in the lunar environment. Image credit: NASA/SVS (more…)

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NASA’s Galileo Reveals Magma ‘Ocean’ Beneath Surface of Jupiter’s Moon

Spacecraft will Enable Scientists to Study Space Environment around Moon, Earth