Life in the Milky Way: Do Galactic Cycles Influence Earth's Biological History?

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Space - General

Life in the Milky Way: Do Galactic Cycles Influence Earth's Biological History?

http://www.dailygalaxy.com/my_weblog/2008/07/do-galactic-for.html
Scanned by: jcchan 2 months ago

Earth's last two great mass extinctions occurred around 250 millions years ago and 450 million years ago. Now, scientists are proposing a theory that as our star moves through the space, it could potentially affect biodiversity cycles on Earth.

Type: Discovery | Also: Environment |

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