Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. After almost a century of study, this cosmic puzzle may have been at least partially solved by new X-ray images and spectra from the ASCA satellite observatory . These ASCA observations show for the first time that the energy spectrum of the bright regions is like that produced by extremely high energy electrons streaming through a magnetic field at nearly the speed of light.
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