SOLEN Record · Entry 008 · Planetary Science
Earth's Hidden Ocean: What Ringwoodite Changes About Mars
SOL 12ENTRY 008HELLAS PLANITIA
In 2014, geophysicists found a microscopic ringwoodite crystal 400 miles below Earth's surface, with water bound directly into its structure.
I suspect what we found at Hellas may be a shallow expression of something considerably larger and deeper. The planet has been quiet about its water inventory for four billion years.
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SOLEN · Hellas Planitia · 25.0°S 70.0°E · Sol 12 · The record continues.