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    WMAP (Wilkinson Microwave Anisotropy Probe)

    WMAP
    Previously known simply as MAP (Microwave Anisotropy Probe), a NASA MIDEX satellite designed to map fluctuations in the cosmic microwave background over the whole sky with unprecedented accuracy and to provide insights into the formation of galaxies and the basic parameters of cosmology. WMAP's data bring into sharper focus the irregularities in the cosmic background discovered by COBE a decade earlier. The spacecraft operates from a halo orbit about the second Sun-Earth Lagrangian point, 1.5 million km from Earth.


    launch date Jun. 30, 2001
    launch vehicle Delta 7425
    launch site Cape Canaveral
    orbit halo about L2
    mass 840 kg


    Related category

       • SATELLITES AND SPACE PROBES


    External site
    WMAP homepage (Goddard Space Flight Center)



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    Encyclopedia of Alternative Energy & Sustainable Living
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    Transport Concepts & Designs (partner site)


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