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2010-03-05 07:25:00

Scientists have discovered that the Earth's magnetic field over 3 billion years ago was only half as strong as it is today, and that this weakness, coupled with a strong wind of energetic particles from the young Sun, likely stripped water from the early Earth's atmosphere.

2007-04-04 13:27:10

Geophysicists at the University of Rochester announce in today's issue of Nature that the Earth's magnetic field was nearly as strong 3.2 billion years ago as it is today.


Word of the Day
shavie
  • A trick or prank.
The word 'shavie' is related to 'shave'.