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Formic acid, a molecule implicated in the origins of life, has been found at record levels on a meteorite that fell into a Canadian lake in 2000.


 meteorite evolution astronomy life space biology organic panspermia
Terrible scribble, such as "(b)ut on reflection and after talking to Godfrey, I think I would now fairly firmly believe that it did represent an invasion of microbes from space."...


 extraterrestrial life panspermia
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.


 panspermia cosmology philosophy life DNA ammonia evolution meteorite astrobiology
The study considers a reverse of the "panspermia" idea that occupies much of meteoritic research - namely, that the precursors to life, or life itself, may have been delivered by an impact on the early Earth. Equally, however, Earth impacts may throw up debris that could be loaded with microbes or small, hardy organisms like water bears - which have already demonstrated the ability to survive the harsh conditions of space. Other...


 extraterrestrial life panspermia asteroid Mars Saturn Jupiter Titan