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Meteorite strike

Not just craters, meteorite impact can trigger long-lived volcanic eruptions on Earth

The researchers studied rocks filling one of the largest preserved impact structures on the planet, located in Sudbury, Ontario, Canada. 

May 04, 2017, 16:30 PM IST

India needs planetary defence: Indian-origin space scientist

Catastrophies originating from outer space are no fiction, says scientist.

Feb 13, 2016, 17:33 PM IST