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News and Views
Nature 451, 531-532 (31 January 2008) | doi:10.1038/451531a; Published online 30 January 2008
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Professor / Associate Professor (Pharmaceutics / Pharmaceutical Analysis&quality Control)
- Alliance Institute of Advanced Pharmacy and Health Sciences
- Hyderabad 500038 India
Assistant or Associate Professor, Section of Anatomic Pathology
- The Medical College of Georgia
- Augusta, Georgia, USA
Cosmology: An ancient view of acceleration
Michael A. Strauss1
Abstract
The Universe is expanding ever faster — the effect of 'dark energy', most astronomers believe. Surveys of how galaxies were distributed in the past could provide precise clues to what is driving this acceleration.
Gravity holds our expanding Universe together, or so astronomers have long assumed. The mutual attraction of galaxies should counteract the expansion of space that started with the Big Bang, causing the galaxies to slow down.
- Michael A. Strauss is in the Department of Astrophysical Sciences, Princeton University, Peyton Hall, Ivy Lane, Princeton, New Jersey 08544-1001, USA.
Email: strauss@astro.princeton.edu
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