News tagged with meteor impacts

How ancient impacts made mining practical

About 1.85 billion years ago, in what would come to be known as Sudbury Canada, a 10 kilometer wide asteroid struck with such energy that it created an impact crater 250 kilometers wide. Today the chief industry of Sudbury ...

dateSep 23, 2014 in Space Exploration
shares0 comments 0

Surviving mass extinction by leading a double life

(PhysOrg.com) -- Drifting across the world's oceans are a group of unicellular marine microorganisms that are not only a crucial source of food for other marine life -- but their fossils, which are found in abundance, provide ...

dateJul 14, 2009 in Ecology
shares0 comments 0