Does it matter? It's not as if the deposits migrate. | Hacker News

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		quotemstr on Jan 19, 2018 \| parent \| context \| favorite \| on: U.S. tests nuclear power system to sustain astrona... Does it matter? It's not as if the deposits migrate.

jhayward on Jan 20, 2018 [–]

On Earth they certainly do, if you choose the right time scale.

quotemstr on Jan 20, 2018 | [–]

Right, because the Earth has tectonic activity. Mars? Not so much. Geology should have been stable over the 500 million years since Mars last had significant geological activity.

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