Comment on NASA Scientist Claims Evidence of Alien Life on MeteoriteparentComments−jeromec15yApparently the CI chondrites class of meteorites are rare, all having fallen within around 200 years (oldest find in 1806).http://en.wikipedia.org/wiki/CI_chondriteEven assuming the possibility of bacteria contagion from Earth the question remains how the biological remain appears to contain no nitrogen, an essential building block to life as we know it.
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Apparently the CI chondrites class of meteorites are rare, all having fallen within around 200 years (oldest find in 1806).
http://en.wikipedia.org/wiki/CI_chondrite
Even assuming the possibility of bacteria contagion from Earth the question remains how the biological remain appears to contain no nitrogen, an essential building block to life as we know it.