NASA's Curiosity rover finds water halos filled with opal on Mars
Subsurface fractures may have offered more habitable conditions than the surface, with access to water and radiation protection.
| Jan 12, 2023 06:38 AM EST
Created: Jan 12, 2023 06:38 AM EST
Light-toned fracture halos as seen crosscutting the bedrock extend into the subsurface.