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    active volcanoes tagged posts

    Scientists find evidence that Venus has Active Volcanoes

    January 5, 2020, Categories  Astronomy/Space

    This figure shows the volcanic peak Idunn Mons (at 46 degrees south latitude, 214.5 degrees east longitude) in the Imdr Regio area of Venus. The colored overlay shows the heat patterns derived from surface brightness data collected by the Visible and Infrared Thermal Imaging Spectrometer (VIRTIS), aboard the European Space Agency's Venus Express spacecraft. Image credit: NASA
    This figure shows the volcanic peak Idunn Mons (at 46 degrees south latitude, 214.5 degrees east longitude) in the Imdr Regio area of Venus. The colored overlay shows the heat patterns derived from surface brightness data collected by the Visible and Infrared Thermal Imaging Spectrometer (VIRTIS), aboard the European Space Agency’s Venus Express spacecraft. Image credit: NASA

    New research led by Universities Space Research Association (USRA) and published today in Science Advances shows that lava flows on Venus may be only a few years old, suggesting that Venus could be volcanically active today—making it the only planet in our solar system, other than Earth, with recent eruptions.

    “If Venus is indeed active today, it would make a great place to visit to better understand the in...

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    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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