All Questions
3
questions
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Why don't scientists believe Earth's surface water came up from the mantle?
I read, periodically, that there is more water trapped in the mantle than there is in the oceans - possibly a lot more.
If so, why don't any geologists believe that Earth's surface and near-surface ...
3
votes
1
answer
158
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How old are the Martian blueberries?
The martian blueberries (only blue in false color) found by the Opportunity rover in Meridium Planis are formed by slow evaporation in mineral-rich liquid water. They obviously formed early in the ...
4
votes
1
answer
161
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How to calculate the thickness of the ice crust on a frozen ocean planet/moon?
How do I calculate the thickness of the upper ice layer on cold ocean worlds like Europa, Enceladus, Ganymede, ...? I'm asking this for a programm I'm currently writing.
Given/Known is: mass, radius, ...