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this post was submitted on 13 Aug 2024
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10 to 20km? That is probably unreachable, at least for a long time.
The deepest hole drilled on Earth is the Kola Superdeep Borehole which reached 12.2km, requiring almost 20 years of operation and tons of heavy equipment.
They did also say in the article that the rover could only measure straight down from its position, so maybe not all of the water is so deep.
Hmm, that's a good point. If we found one aquifer there might well be others, and they could be at any depth.
Of course the problem is, we'll need to place this kind of seismic sensor around the whole planet...
I’m no astroseismologist but I feel like I’ve heard of sensors like this being on satellites like to investigate glaciers etc. though maybe 10km of rock isn’t so easily penetrated.