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SATELLITES REVEAL A MYSTERY OF LARGE CHANGE IN EARTH'S GRAVITY FIELD

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  • Stuart Hurd
    SATELLITES REVEAL A MYSTERY OF LARGE CHANGE IN EARTH S GRAVITY FIELD Satellite data since 1998 indicates the bulge in the Earth s gravity field at the equator
    Message 1 of 1 , Aug 3, 2002
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      SATELLITES REVEAL A MYSTERY OF LARGE CHANGE IN EARTH'S GRAVITY FIELD
      Satellite data since 1998 indicates the bulge in the Earth's gravity field at the equator is growing, and scientists think that the ocean may hold the answer to the mystery of how the changes in the trend of Earth's gravity are occurring.

      Before 1998, Earth's equatorial bulge in the gravity field was getting smaller because of the post-glacial rebound, or PGR, that occurred as a result of the melting of the ice sheets after the last Ice Age. When the ice sheets melted, land that was underneath the ice started rising. As the ground rebounded in this fashion, the gravity field changed.


      Read more http://www.weird-world.com/article-detail.asp?fid=209


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