I understand that all on the surface is likely small in comparison the earth whole mass, but if all that is created and all which disappears is just a renewal of the same elements..is earth’s weight a constant..?
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No, Earth’s weight is not constant. Every time you see a “shooting star”, that’s a meteor(ite?) that’s burning up on entering Earth’s atmosphere, which adds mass to the Earth. At the same time, many of the very light gases, like helium, that are present in the Earth’s atmosphere can be lost to space due to electromagnetic “winds”.
Earth’s mass is never constant.
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