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  • ESA’s GOCE Satellite Provides Gravity Map of Earth
    By on June 28, 2010 | Comments Off  Comments

    kaulike writes “The European Space Agency’s GOCE satellite, launched in March 2009, has provided a spectacular, highly detailed map of our favorite gravity well. This map shows the normalized surface of the earth as defined by gravity, showing the relative altitude differences from the average for each surveyed point. The article provides the helpful metaphor that a ball resting on this surface would not roll anywhere, even though there would be visual (more…)