6: Would You Eat a Moon Sandwich? (w/ Emma Blackery!)
Dear Hank & John
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Opal in a Martian Meteorite
For the first time, opal has been found in a martian meteorite. The gemstone is created by the interaction of water with silica. Opal could potentially trap microbes for future examination and inspection. That's icaiss mars. Really goodly. Good job.
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