www.chinaphonearena.com

Full Version: [ScienceD] Site of asteroid impact changed the history of life
You're currently viewing a stripped down version of our content. View the full version with proper formatting.
Site of asteroid impact changed the history of life

An asteroid, also known as the Chicxulub Impactor, hit Earth some 66 million years ago, causing a crater 180 km wide. The impact of the asteroid heated organic matter in rocks and ejected it into the atmosphere, forming soot in the stratosphere.




http://feeds.sciencedaily.com/~r/science...113950.htm