4 December 2023
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  • [ 7 November 2023 ] First colour images from Euclid space telescope get rave reviews News
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Tvashtar Paterae

News

Underground magma ocean could explain Io’s ‘misplaced’ volcanoes

13 September 2015 Astronomy Now

Jupiter’s moon Io is the most volcanically active world in the solar system, with hundreds of volcanoes, some erupting lava fountains up to 250 miles high. New NASA research suggests that tides flowing in a subsurface ocean of molten rock, or magma, could explain why Io’s volcanoes appear in the “wrong” place compared to models that predict how the moon’s interior is heated.

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News Headlines

  • First colour images from Euclid space telescope get rave reviews
    7 November 2023
  • The Great Square of Pegasus: heralding autumn
    11 September 2023
  • New comet predicted to brighten rapidly as it sprints Sunwards
    18 August 2023
  • NASA picks up faint carrier signal from Voyager 2
    2 August 2023
  • Razor-sharp test images show Euclid’s instruments performing as expected
    31 July 2023
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      • November last issue
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  • AstroFest 2023
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    • DSLR Calc
  • Reviews
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    • Book Reviews
  • Spaceflight Now
  • Shop
  • Contact Us
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    • Ask Astronomy Now
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