what are comets???
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Comets are relatively small and I see celestial bodies revolving around the sun. they are visible when they are near the sun
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The solid, core structure of a comet is known as the nucleus. Cometary nuclei are composed of an amalgamation of rock, dust, water ice, and frozen carbon dioxide, carbon monoxide, methane, and ammonia. As such, they are popularly described as "dirty snowballs" after Fred Whipple's model.
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