Bacillus safensis

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Bacillus safensis
Scientific classification
Kingdom: Bacteria
Division: Firmicutes
Class: Bacilli
Order: Bacillales
Family: Bacillaceae
Genus: Bacillus
Species: B. safensis
Binomial name
Bacillus safensis

Bacillus safensis is a bacterium, highly resistant to gamma and UV radiation, that has raised some concerns over a possibility of having been brought to the planet Mars with the two space probes Spirit and Opportunity in 2004.

The bacterium is named after the NASA Jet Propulsion Laboratory’s Spacecraft Assembly Facility (SAF) where it was first discovered.

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