Pondering the Fermi Paradox

Stephen Webb

    Research output: Chapter in Book/Report/Conference proceedingChapter


    The past two decades have witnessed an unprecedented increase in the amount and quality of observational data available to astronomers and cosmologists. Orbiting observatories such as the Hubble Space Telescope and the Wilkinson Microwave Anisotropy Probe (WMAP) have peered at the universe through a variety of windows in the electromagnetic spectrum. Ground-based projects such as the Sloan Digital Sky Survey (Adelman- McCarthy et al., 2008) and the 2dF Galaxy Redshift Survey (Colless et al., 2003) have mapped the distribution of galaxies in exquisite detail. Taken together, data from these and other projects have transformed our understanding of the large-scale structure of the universe, have steadily improved our knowledge of key cosmological parameters, and have provided compelling evidence in favor of a simple cosmological model (Spergel et al., 2009).
    Original languageEnglish
    Title of host publicationSearching for Extraterrestrial Intelligence
    Subtitle of host publicationSETI Past, Present and Future
    EditorsH. Paul Schuh
    Place of PublicationNew York
    ISBN (Electronic)9783642131967
    ISBN (Print)9783642131950
    Publication statusPublished - 2011

    Publication series

    NameThe Frontiers Collection
    ISSN (Print)1612-3018


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