The Gone Incognita podcast features audio versions of Gone Incognita blog posts. Episode 9 is based on: Tiny Martian Time Machine.
The Martian meteorite ALH84001 is best known for what it didn’t reveal—namely, conclusive evidence for biological activity on Mars. Yet this rock is far from done telling its story. ALH84001 holds some of the oldest available traces of the ancient Martian magnetic field, atmosphere, and hydrosphere. Since a planet needs these three elements to sustain life (as we know it), researchers are still looking to ALH84001 as they investigate the age-old question:
Could there be life on Mars?
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