Originally published 02/15/2013
SYDNEY (Reuters) - A strike from a big asteroid more than 300 million years ago left a huge impact zone buried in Australia and changed the face of the earth, researchers said on Friday."The dust and greenhouse gases released from the crater, the seismic shock and the initial fireball would have incinerated large parts of the earth," said Andrew Glikson, a visiting fellow at the Australian National University.The asteroid was bigger than 10 km (6 miles) in diameter, while the impact zone itself was larger than 200 km (120 miles) - the third largest impact zone in the world....
- Nelson Mandela Dead: Icon of Anti-Apartheid Movement Dies at 95
- George H.W. Bush Given Lyndon B. Johnson Foundation Award
- Bruce Springsteen's 'Born To Run' manuscript could fetch $100,000 at NY auction
- Hospital Donates Records of Jacqueline Kennedy Onassis to JFK Library
- Australia’s Eureka Flag Finds a New Patch