{
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    "results": [
        {
            "id": 11234,
            "url": "http://svs.gsfc.nasa.gov/11234/",
            "result_type": "Produced Video",
            "release_date": "2013-04-23T00:00:00-04:00",
            "title": "Mapping Earth's Gravity",
            "description": "Of the terrestrial planets in the solar system, Earth is not only the largest body but also the most massive. A calculation of its weight puts it slightly over 6.58 sextillion tons (that's 6.58x10^21 or 6,580,000,000,000,000,000,000). It's heavy because everything on our planet has mass—from the land that covers the continents to the water that fills the oceans. Earth's mass, however, isn't distributed evenly. Varying surface topography and the continuous movement of water cause different parts of the globe to have more or less mass than other regions. Since 2002, NASA's twin GRACE satellites have mapped Earth's gravity (the attractive force exerted by its mass), enabling scientists to see these differences and monitor how they change over time. Watch the visualization for a tour of Earth's gravity field. || ",
            "hits": 1834
        },
        {
            "id": 3671,
            "url": "http://svs.gsfc.nasa.gov/3671/",
            "result_type": "Visualization",
            "release_date": "2010-01-14T12:00:00-05:00",
            "title": "Amazon Basin Monthly GRACE Data",
            "description": "This visualization displays monthly GRACE data in the Amazon basin. GRACE (Gravity Recovery and Climate Experiment) measures mass distribution and in this instance is used to demonstrate water storage and movement in the basin. Warmer colors like red and yellow reveal areas with greater mass, or more water, while cooler colors like blue and green indicate areas with lesser mass, or less water. || ",
            "hits": 37
        },
        {
            "id": 3672,
            "url": "http://svs.gsfc.nasa.gov/3672/",
            "result_type": "Visualization",
            "release_date": "2010-01-05T00:00:00-05:00",
            "title": "28 Year Arctic Temperature Trend",
            "description": "Scientists who study the Arctic region consider this area to be an early indicator of global warming, because changes in this area are amplified by the high albedo of the snow and ice. This animation depicts the 28-year surface temperature trend over the Arctic region determined from data collected between August 1981 and July 2009. The warming and cooling regions are shown in steps of .02 degrees Kelvin per year from the regions of greatest change to the areas of least change. Blue hues indicate cooling regions; red hues depict warming. The neutral region of -.02 to +.02 is shown in white. Light regions indicate less change while darker regions indicate more. The temperature scale used ranges from -0.42 to +0.42 degrees Kelvin, although the minimum data value is -0.1825 degrees Kelvin per year while the maximum value is 0.4185. || ",
            "hits": 21
        },
        {
            "id": 3663,
            "url": "http://svs.gsfc.nasa.gov/3663/",
            "result_type": "Visualization",
            "release_date": "2009-12-11T00:00:00-05:00",
            "title": "Greenland Ice Sheet Mass Changes from NASA GSFC GRACE Mascon  Solutions",
            "description": "Luthcke, S.B., D.D. Rowlands, J.J. McCarthy, A. Arendt, T. Sabaka, J.P. Boy, F.G. Lemoine, \"Recent Changes of the Earth's Land Ice from GRACE, \" presented at 2009 Fall AGU, H13G-02 (693337), Dec. 14, 2009.The mass changes of the Greenland Ice Sheet (GIS) are computed from the Gravity Recovery and Climate Experiment (GRACE) inter-satellite range-rate observations for the period April 5, 2003 - July 25, 2009. The mass of the GIS has been computed at 10-day intervals and 200km spatial resolution from a regional high-resolution mascon solution (Luthcke and others, 2008 and 2006). The animation shows the change in mass referenced from April 5, 2003. The spatial variation in surface mass is shown in centimeters equivalent height of water. The time variation of the GIS mass is shown in the x-y plot insert with units of Gigatons.Corresponding author:Scott B. LuthckeNASA GSFCPlanetary Geodynamics Laboratory, Code 698Scott.B.Luthcke@nasa.gov || ",
            "hits": 77
        },
        {
            "id": 3655,
            "url": "http://svs.gsfc.nasa.gov/3655/",
            "result_type": "Visualization",
            "release_date": "2009-11-24T14:30:00-05:00",
            "title": "GRACE Gravity Model",
            "description": "The following animation displays the Earth's gravitational anomalies. The colors and heights represent the strength of gravity at the locality. Areas with less mass, such as ocean basins, show up as blue, that is less gravity, while mountains such as the Andes are red, representing the greater pull of gravity. The visualization utilizes a version of the GRACE Gravity Model 02 that has been smoothed for greater readability. || ",
            "hits": 385
        }
    ]
}