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    Jupiter’s moon tagged posts

    Squeezing out Mountains, Mathematically, on Jupiter’s moon Io

    May 18, 2016, Categories  Astronomy/Space

    A thrust fault rips to the surface of a numerical Io. As it breaches the surface, it pulls on the overhanging crustal block (to the left of the fault), and 'extensional' features such as trenches called graben form there. The fault also provides a conduit for rising magma and collapsing magma chambers form 'patera', or depressions on the surface. The stair-stepping is an artifact; the simulation divides the crust into small elements so that simpler (solvable) functions can be used to describe the rock mechanics. Credit: Bland and McKinnon

    A thrust fault rips to the surface of a numerical Io. As it breaches the surface, it pulls on the overhanging crustal block (to the left of the fault), and ‘extensional’ features such as trenches called graben form there. The fault also provides a conduit for rising magma and collapsing magma chambers form ‘patera’, or depressions on the surface. The stair-stepping is an artifact; the simulation divides the crust into small elements so that simpler (solvable) functions can be used to describe the rock mechanics. Credit: Bland and McKinnon

    Novel mountain-building mechanism on Io may also have operated on early Earth By Diana Lutz May 17, 2016. Mountains aren’t the first thing that hit you when you look at images of Jupiter’s innermost moon, Io...

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    Jupiter’s moon: Europa’s Ocean may have an Earthlike Chemical Balance

    May 18, 2016, Categories  Astronomy/Space

    On present-day Europa, the researchers expect water could reach as deep as 25 kilometers (15 miles) into the rocky interior, driving key chemical reactions throughout a deeper fraction of Europa's seafloor. Credit: NASA/JPL/University of Arizona

    On present-day Europa, the researchers expect water could reach as deep as 25 kilometers (15 miles) into the rocky interior, driving key chemical reactions throughout a deeper fraction of Europa’s seafloor. Credit: NASA/JPL/University of Arizona

    The ocean of Jupiter’s moon Europa could have the necessary balance of chemical energy for life, even if the moon lacks volcanic hydrothermal activity, finds a new study. Europa is strongly believed to hide a deep ocean of salty liquid water beneath its icy shell. The answer may hinge on whether Europa has environments where chemicals are matched in the right proportions to power biological processes. Life on Earth exploits such niches.

    JPL scientists compared Europa’s potential for producing hydrogen and oxygen with that of Earth, through processe...

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