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Time to turn off the lights

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  • Malcolm Smith

    (Malcolm Smith is an astronomer at the Cerro Tololo Inter-American Observatory, Casilla 603, La Serena, Chile. msmith@ctio.noao.edu)

Abstract

Cities needlessly shine billions of dollars directly into the sky each year and, as a result, a fifth of the world's population cannot see the Milky Way. Malcolm Smith explains why a dark sky has much to offer everyone.

Suggested Citation

  • Malcolm Smith, 2009. "Time to turn off the lights," Nature, Nature, vol. 457(7225), pages 27-27, January.
    • Handle: RePEc:nat:nature:v:457:y:2009:i:7225:d:10.1038_457027a
    DOI: 10.1038/457027a
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