If you live in the northern hemisphere and you still haven't seen Comet Hale-Bopp, now is the time to look. The comet can currently be found soon after sunset in a north-westerly direction, some 25 degrees above the horizon. Its large, milky tail makes it unmistakable and far more impressive than its more famous relative, Halley's Comet, when it appeared in the skies of the southern hemisphere 12 years ago.
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