• Deathcrow@lemmy.ml
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    1 year ago

    Meh, there’s plenty of naturally occurring things, that look ‘artificial’ to the human eye at first glance.

    spoiler

    etc

    Some metallic spheres after entry of a meteoroid into earths atmosphere are not enough unless you explain how they couldn’t have formed naturally.

    • atan@lemmy.ml
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      1 year ago

      My understanding is that metallic spherules from iron meteorites would be expected to include nickel. The absence of nickel in iron containing spherules like these would usually indicate a non-natural source i.e. human technology. The speed and trajectory of the meteor which may be the source, however, indicates an interstellar origin.

      I believe that initial analyses of these spherules has revealed an absence of nickel.

      The spherules were recovered from areas in the expected debris zone; none were recovered from the surrounding, control zones.