- nucleus is head central comets, consists of various elements of carbon (C), hydrogen (H) อ๊อกซิ Jane (O) and nitrogen (N) gathered
.The water is an important element. In addition, there is a dust of silicon, magnesium and other elements, these dust combined with ice jam together. Cause the nucleus black like coal
.When the comet orbit - a coma, near the sun. The heat makes the ice surface area of the nucleus sublimation into steam, gas and dust, thus it became the nucleus ขยายตัวเป็น atmosphere shroud head the comet. Called sarcoma
.- dust tail, gas and dust blown flap from my head, the comet. Reflection is seen in tail short type and is curved, a charge neutrality. The pressure of the radiation of the sun push.- tail gas. The gas in the tail of comet react with the solar wind from the sun, making various gas, broken, a charged particles or ions. Particle charge such as carbon monoxide (CO) glow blue in the tail gas moving away.
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