Jupiter

NASA’s Galileo Spacecraft Finds Water On Jupiter’s Moon Europa

November 16, 2011
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europa_galileo_1200_CROP

In a significant finding in the search for life beyond Earth, scientists from The University of Texas at Austin and elsewhere have discovered what appears to be a body of liquid water the volume of the North American Great Lakes locked inside the icy shell of Jupiter’s moon Europa. The data suggest there is significant exchange between Europa’s icy shell and the ocean beneath. This information could bolster arguments that Europa’s global subsurface ocean represents a potential habitat for life elsewhere in our solar system. The findings are published in the scientific journal Nature. “The data opens up some...

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October & November Offer Great Views Of Jupiter

October 25, 2011
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Montage of Jupiter's four Galilean moons, in a composite image comparing their sizes and the size of Jupiter. From top to bottom: Io, Europa, Ganymede, Callisto.

This year October & November offer great opportunities to see the “King of Planets” Jupiter! Located directly overhead around mid-night in the constelation Aries and shining at magnitude -2.9, it is the brightest thing in the sky, (except the Moon), and very easy to spot. Jupiter is thrilling to view in just about any telescope. Even a small department-store refractor  or a good pair of binoculars will reveal many features and its four brightest moons, (here is an interactive finder chart for Jupiter and it’s moons). Jupiter is also one of the most dynamic telescopic sights  as you never get...

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