Written by Andrew Shumway, Postdoctoral Researcher at the University of Washington It is not common for a rover to spot nearly perfect spheres in the soil beneath its wheels. Over two decades ago, the Opportunity rover famously discovered spherules made of hematite (nicknamed “blueberries”) near its landing site in Meridiani Planum. More recently, the Perseverance […]
July 29, 2025
from NASA https://ift.tt/hy6Ora1
Wednesday, 30 July 2025
Spheres in the Sand
NASA
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