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This topic is inspired by a question posed by Void in early 2025...
where did the salt of the Oceans go?
In the case of Mars (and possibly other Solar System objects) a great deal of information about the interior of the planet has already been collected by orbiting probes and by robotic devices on the surface.
Perhaps the data already collected includes answers to the question posed by Void.
Perhaps analysis of existing data already provides an answer, but we just don't know about it.
Or perhaps analysis done to date did not tease out the answer from the existing data.
Or perhaps new data is needed.
This topic is available for NewMars members to collect knowledge about remote sensing.
Since there is a vast amount of information already available on the Internet, posts here might save time for readers by showing links to resources that might help to answer this question, or many others of a similar nature.
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