Meteorites 'could have carried nitrogen to Earth'

A meteorite found in Antarctica could lend weight to the argument that life on Earth might have been kick-started from space, scientists are claiming. Chemical analysis of the meteorite shows it to be rich in the gas ammonia. It contains the element nitrogen, found in the proteins and DNA that form the basis of life as we know it.

2011-03-01

 panspermia cosmology philosophy life DNA ammonia evolution meteorite astrobiology

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