Researchers have simulated the events that they believe

[Oxyaena]

http://www.pnas.org/content/early/2014/12/05/1412072111
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--- Lord Creodont, FRCS.

[Tom Hendricks]

The late bombardment presents a problem. It seems either life was here when it happened, or it began shortly after. That seems to be still up in the air.


Quote: So Anbar, Arnold and Mojzsis were faced with seemingly contradictory evidence. Life appeared to have been flourishing during the period of the Late Heavy Bombardment, at a time when Earth's surface was thought to be uninhabitable. And traces of the bombardment were nowhere to be found in the Akilia rocks.

ing-bombardment-by-comets-and-ast.html

[Tom Hendricks]

The url for the article is
http://tinyurl.com/q835ecm