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IR Reveals Evidence of Galactic Collisions

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COLUMBUS, Ohio, April 29 -- Astronomers from Ohio State University used infrared telescopes to discover that collisions and near-collisions between spiral galaxies are more common than had been suspected. Professor Jay Frogel and Paul Eskridge, a postdoctoral research fellow, have spent the last five years compiling pictures of more than 200 nearly spiral galaxies in a search for those with the distinctive barred spiral shape. Scientists believe that the bar-shaped bands of stars at the center of barred spiral galaxies form when two galaxies collide or have a near miss as they drift through...Read full article

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    Published: April 1999
    News & Featuresspectroscopy

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