Largest Asteroid to Strike Earth?...

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Largest Asteroid to Strike Earth?...

Post by Rockhopper on Thu Apr 02, 2015 6:00 pm

Dr. Andrew Glikson believes that a huge asteroid struck the Earth in Aust.

A 400 kilometre-wide impact zone from a huge meteorite that broke in two moments before it slammed into the Earth has been found in Central Australia.

The crater from the impact millions of years ago has long disappeared. But a team of geophysicists has found the twin scars of the impacts – the largest impact zone ever found on Earth – hidden deep in the earth’s crust.

Lead researcher Dr Andrew Glikson from the ANU School of Archaeology and Anthropology said the impact zone was discovered during drilling as part of geothermal research, in an area near the borders of South Australia, Queensland and the Northern Territory.

“The two asteroids must each have been over 10 kilometres across – it would have been curtains for many life species on the planet at the time,” said Dr Glikson, who is also affiliated with the ANU Planetary Science Institute.

From Here.

Tim.
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