why does Earth and Io have magma?

Both spin at high speeds with a moon or are a moon creating magma.
Venus does have volcanoes but they are all extinct.

Jon Riley
Toronto

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Relevant Pages

  • Re: High Rotation is the Source of Magma
    ... and volcanoes. ... We don't actually know that all of them are extinct. ... be a moon or have a moon. ... And I don't see the Earth's rotation as being particularly fast. ...
    (sci.astro.amateur)
  • Re: High Rotation is the Source of Magma
    ... and volcanoes. ... We don't actually know that all of them are extinct. ... be a moon or have a moon. ... And I don't see the Earth's rotation as being particularly ...
    (sci.astro.amateur)
  • Re: why does Earth and Io have magma?
    ... Both spin at high speeds with a moon or are a moon creating magma. ... Venus does have volcanoes but they are all extinct. ... Earth has volcanoes but they are all extinct too, ...
    (sci.astro)
  • Re: why does Earth and Io have magma?
    ... Venus does have volcanoes but they are all extinct. ... Jon Riley ... The moon causes Earth magmatism? ...
    (sci.astro)
  • Re: Magma: created from Earths rotating moon
    ... >> Planets of the solar system that do not have volcanoes ... Venus has volcanoes and yet has no moon. ...
    (sci.geo.geology)
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