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Nature 395, 113-115 (10 September 1998) | doi:10.1038/25840

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Planetary science:  Ancient cosmic spherules

Don Brownlee1

On page 146 of this issue1, Deutsch, Greshake, Pesonen and Pihlaja report the spectacular discovery of cosmic spherules in sandstone from Finland that is 1.4 billion years old (Fig. 1

  1. Don Brownlee is in the Department of Astronomy, Box 351580, University of Washington, Seattle, Washington 98195, USA.
    e-mail: Email: brownlee@astro.washington.edu