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Within several days of A. Wesley’s announcement that Jupiter was hit by an object on UT 19 July 2009, we observed the impact site with (1) the Hubble Space Telescope (HST) at UV through visible (225–924nm) wavelengths, (2) the 10-m W.M. Keck II telescope in the near-infrared (1–5μm), and (3) the 8-m Gemini-North telescope in the mid-infrared (7.7–18μm). All observations reported here were obtained...
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