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  1. Io is just a bit larger than our moon. So just imagine being able to see this with the naked eye on a full moon night.

  2. This would be like a volcano on Earth spewing lava so high it would practically hit the ISS on flyover. It’s a mind-bogglingly ridiculous fountain of lava.

  3. Altruistic-Yak-9660 on

    i don’t think i can really grasp how insanely big that volcano eruption is. If we could see it in color, would it be glowing?

  4. Calling the atmosphere “thin” is almost misleading. It’s 3×10^-9 thinner than ours – at its peak.

  5. dontevercallmeabully on

    Is the ejection of mass in a single direction substantial enough to alter Io’s orbit?

  6. CrimsonTightwad on

    I cannot wait until we can see these places in HD video, even if it means having to send back physical video due to bandwidth limits. This volcano, the icy Hoth surface of Europa, a Methane Beach photo from Titan, etc, are beyond dreams.

  7. 320 kms.

    I know Reddit is largely American, but I feel a sub like r/space should have a rule that all measurements are expressed as SI units.

    Yeah, hit me with your Yankee downvotes 🤪