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View Full Version : Comets Could Spread Life Around the Galaxy



Fraser
2005-Sep-13, 02:25 AM
SUMMARY: Scientists from Cardiff University believe that comets striking the Earth could be responsible for transporting bacteria into space, potentially seeding the galaxy with life. When a comet hits the Earth, the "splash back" throws material back into space containing organisms; many would die from heat and radiation, but there's good evidence that many would survive. As the Earth would leave a trail of bacteria behind it as it followed the Sun around the Milky Way - a journey that takes 240 million years. These bacteria could infect any number of worlds, and inevitably spread life across the galaxy.

View full article (http://www.universetoday.com/am/publish/comets_seeded_galaxy.html)
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