Wednesday, 21 October 2015

Comet 'sun' shower could imperil earth


Comet 'sun' shower could imperil earth
EARTH could be in danger as the sun's journey through the galaxy dislodges comets and sends them flying between the planets, research suggests.
SCIENTISTS have identified a 26 million-year cycle of meteor impacts that coincides with the timing of mass extinctions over the past 260 million years.
Originally published as Comet 'sun' shower could imperil earth

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