"How may years would a radio signal take to reach the nearest large galaxy to us, the Andromeda Galaxy? "
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Shark Bay Stromatolites Revealed
Members of NAI’s University of Colorado Team published a study of the composition and structure of the Shark Bay stromatolites in this month’s Applied and Environmental Microbiology. Their rRNA studies revealed the most abundant sequences representing novel proteobacteria, with a surprising less than 5% representing cyanobacteria.
Source: [Link]
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