Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Visible above as the bright spot with the faint tail near the picture 's center, Comet Hyakutake shares the stage with part of the central band of the Milky Way Galaxy , prominent in the picture's upper right. Also visible are Antares , the bright orange star in the upper right, Arcturus , the bright star on the lower left, and the Pipe Nebula , which is perhaps harder to find. Comet Hyakutake 's unusually close approach to the Earth allowed astronomers to learn many things, including that comets can emit much X-ray light .
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