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        Tracking Ison | Comet Encounter: Chapter 2

        Comets may seem like distant objects, but on occasion humanity is reminded of the powerful destruction that comets could pose when they get too close for comfort. Even with rigorous calculations and data crunching, top scientists are still often unable to determine the exact trajectory of these celestial objects-even when comets like Ison are less than 500 days away from nearing our corner of the solar system.

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