dark matter connected to extra dimensions -- AMIGA Astronomy

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Subject: dark matter connected to extra dimensions

Author:
Blobrana

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Date Posted: 20:33:59 05/21/03 Wed

A team of scientists that includes a University of Florida physicist has suggested that two of the biggest mysteries in particle physics and astrophysics (the existence of extra time and space dimensions and the composition of an invisible cosmic substance called dark matter ) may be connected.
Extra dimensions are predicted by the superstring theory, which offers a unified description of all of the fundamental particles and forces in nature, including gravity. While this widely accepted theory predicts at least 10 dimensions, however, no one has ever found more than one dimension in time and three in space.

According to one alternative theory, these additional dimensions might be curled up into a ball so small , that they are difficult or impossible to observe.
These dimensions may give rise to heavier versions of known particles, the lightest of which could constitute the elusive dark-matter particle.

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