Research NewsAstronomy

Many Ways to Survey the Sky

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Science  07 Nov 1997:
Vol. 278, Issue 5340, pp. 1011
DOI: 10.1126/science.278.5340.1011

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Astronomical surveys are nothing new, but the late 1990s are a heyday of large surveys. Six of the largest, which may be linked into a single virtual universe, aim to catalog billions of stars and hundreds of millions of galaxies and other objects at wavelengths ranging from radio to ultraviolet (see main text).