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Jul 8, 2013 9:20 AM by Stephen Bowers

Astronomers: High-energy explosions from nearly 10 billion years ago reach earth

A group of astronomers has detected four "explosive events." They occurred above the plane of the Milky Way Galaxy, to which our solar system belongs. 

The report from, says the four explosions last only a few thousandths of a second. The powerful signals were sent across the universe and gave off more energy in one millisecond than our sun gives off in about 300,000 years. 

The scientists say the bursts of energy were from 5.5 to 10 billion light years away, which was just a few billion years after the Big Bang that scientists say created the universe nearly 13.8 billion years ago.

So what caused the explosions? There are several possibilities being mentioned. The scientists say magnetic fields from two neutron stars may have collided. No source object could be observed, so for now the origin of the explosions remains unknown.


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