3 ms·
Images under a microscope may not do it. They could be contamination from Earth either at time of test or before that.
by kadoban 5y ago
Images under a microscope may not do it. They could be contamination from Earth either at time of test or before that.
- hyperbovine 5y agoGenetic analysis to the rescue. It will be glaringly obvious whether billions of years of divergent evolution have occurred or not.
- q1w2 5y agoFinding an entire culture in multiple Martian ground samples, with different bacteria would likely rule out Earth contamination.