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    "title": "Capturing Dark Matter with Black Holes",
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    "release_date": "2015-06-23T14:00:00-04:00",
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            "release_date": "2015-06-23T14:00:00-04:00",
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                "alt_text": " The image layers multiple frames from the visualization to increase the number of dark matter particles. The particles are shown as gray spheres attached to shaded trails representing their motion. Redder trails indicate particles more strongly affected by the black hole's gravitation and closer to its event horizon (black sphere at center, mostly hidden by trails). The ergosphere, where all matter and light must follow the black hole's spin, is shown in teal. Credit: NASA Goddard Scientific Visualization Studio ",
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