This sphere is eroding out of a rock. The rock's layers don't deform around the sphere, indicating the sphere didn't drop in but was formed in the presence of water along with the rock. NASA/JPL/Cornell/USGS
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This sphere is eroding out of a rock. The rock's layers don't deform around the sphere, indicating the sphere didn't drop in but was formed in the presence of water along with the rock. NASA/JPL/Cornell/USGS |
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