What keeps on going up?
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Context: "What keeps on going up?"
Hydrogen.
It floats up to the edge of space, where it becomes ionized and is lost to our sight.
God only knows where those ions go.
Context: "What keeps on going up?"
Hydrogen.
It floats up to the edge of space, where it becomes ionized and is lost to our sight.
God only knows where those ions go.