By Sara Gates
If they’re not real blueberries, then what are those blueberry-esque iron spheres on Mars? And could they help tell the story of the planet’s ancient past?
Researchers initially suspected that the “Mars blueberries” might yield evidence of ancient water (and therefore, ancient life) on the planet. But now it appears that the hematite balls are simply remnants of meteorite and are only a few years old.
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This image provided by NASA shows loose, BB-sized, hematite-rich spherules embedded in this Martian rock (like blueberries in a muffin) and released over time by erosion.
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Source: Huffington Post Green