Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer. Tonight, Comet Hyakutake will make its nearest approach to Earth, closing to a mere 10 million miles as it passes over the planet's Northern Hemisphere . The material is swept back by the solar wind, so comet tails usually point away from the sun rather than simply trailing along behind in the comets' orbit. Some predict the tail will grow over the next few days to nearly 50 degrees . The tail will be most visible from dark sky areas.
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