Comets have been known throughout history to show tails that spread across the sky. In the above picture, the blue stream is the ion tail which consists of ions pushed away from the comet's head by the solar wind . The ion tail always points directly away from the Sun . Comet Hale-Bopp is now visible in the morning sky , moving a few degrees each day. Comet Hale-Bopp is expected to be at its best and brightest in late March and early April .
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