Article Information
vol. 317 no. 5846 1888-1890
PubMed:
Published By:
Print ISSN:
Online ISSN:
History:
- Received for publication July 20, 2007
- Accepted for publication August 16, 2007
- .
Article Versions
- Previous version (August 23, 2007 - 11:58).
- You are viewing the most recent version of this article.
Copyright & Usage:
American Association for the Advancement of Science
Author Information
- 1 Astronomy Department, 601 Campbell Hall, University of California, Berkeley, CA 94720, USA.
- 2 Space Science Institute, 4750 Walnut Street, Suite 205, Boulder, CO 80301, USA.
- 3 SETI (Search for Extraterrestrial Intelligence) Institute, 515 North Whisman Road, Mountain View, CA 94043, USA.
- 4 W. M. Keck Observatory, 65-1120 Mamalahoa Highway, Kamuela, HI 96743, USA.
- ↵* To whom correspondence should be addressed. E-mail: imke{at}astron.berkeley.edu
