• AFK BRB Chocolate@lemmy.world
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    1 year ago

    If it’s an empty or near-empty fuel tank, it’s going to float, whether the inside is a vacuum or pressure is equalized with a gas.

    • DogMuffins
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      1 year ago

      the “object” in the picture is not sealed, or doesn’t appear to be.

      • AFK BRB Chocolate@lemmy.world
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        1 year ago

        Hard to say what’s inside what we can see, but if nothing else the upper visible part must have been intact and enough air still in it to keep it buoyant.