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    Meet me at 79°50' N, 56° W

    A proposed experiment that would make ancient astronomers proud could end speculation about dark matter.

    Scientists have long known that most stars orbit their galaxies so rapidly that gravity wouldn't be strong enough to keep them from flying away. The mainstream explanation is that some yet-undetected, or dark, matter adds mass to galaxies, increasing their gravitational tug.


    03/28/2007 - 08:21 Physics