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    SPIRE image of the dwarf planet Makemake

    Date: 22 Dec 2009
    Satellite: Herschel
    Depicts: Dwarf planet Makemake
    Copyright: ESA and the SPIRE consortium; T. Mueller for the 'TNOs are cool' Key Programme consortium

    The dwarf planet Makemake was observed by SPIRE during the science demonstration phase. This very faint and cold object was detected by making a difference image: by taking images 44 hours apart and subtracting the "before" image from the "after" image, the background sky is removed. Makemake, having moved in the intervening time, appears twice in the resulting image: once as a "negative image" and again as a "positive image".


    Last Update: 22 Dec 2009

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