Astrophysics study examines galaxy rotation curve data without dark matter

Seeks to describe modified laws of acceleration and gravity

Details are available in the January 10th, 2006, edition of The Astrophysical Journal 636, pp. 721-741. The paper entitled "Galaxy Rotation Curves Without Nonbaryonic Dark Matter" is co-authored by John Moffat, Perimeter Institute for Theoretical Physics, and Joel Brownstein, Perimeter Institute for Theoretical Physics.

About Perimeter Institute:
Canada's Perimeter Institute for Theoretical Physics is a non-profit scientific research and educational outreach organization located in Waterloo, Ontario, Canada – just outside Toronto. The award-winning centre is home to a diverse group of international scientists who contemplate new and profound ideas about the ultimate nature of space, time and matter. For more information visit www.perimeterinstitute.ca. For media inquires contact John Matlock at jmatlock@perimeterinstitute.ca. 1-519-569-7600 ext. 6081.

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