Europe's comet-orbiting Rosetta spacecraft has hit a potential astrobiological gold mine, sniffing out the amino acid glycine, which is a key building block for life, in the dust surrounding Comet 67P/Churyumov-Gersimenko.
The discovery of glycine, along with precursor molecules methylamine and ethylamine, in 67P's coma confirms previous indirect detections of the same compounds from another comet, Wild 2 (pronounced "vilt-2").
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http://www.scoop.it/t/21st-century-innovative-technologies-and-developments/?tag=Space