April 26, 2002

Crazy for Quarks

By RICHARD MONASTERSKY

NASA sees exotic matter in some stars, but others question the agency's vision

The news seemed out of this world, and in the view of some scientists, it ventured out a tad too far.

At a news conference this month, the National Aeronautics and Space Administration paraded out the results of two studies and declared that "cosmic X-rays reveal evidence for a new form of matter." The researchers who led those studies reported that an X-ray telescope in space had uncovered strange

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