If radioactive elements decay over time, and after turning into other radioactive elements one day turn into a stable element (e.g. Uranium -> Radium -> Radon -> Polonium -> Lead): Does this mean one day there will be no radioactive elements left on earth?
In: 3914
Eventually the entire Universe will go cold. This will basically happen when all the radioactive elements have decayed to stable forms.
This will take a very, very, very, *very* long time. Our planet will be long gone before this happens.
After that, pretty much an eternity of cold and dark.
To answer your question: no, because the planet will be gone before all the radioactive elements decay all the way.
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