The structure of the Comet and the tail.Comet contains three major sections: nucleus (Nucleus) consists of frozen carbon dioxide, methane, and ammonia, dust, solid rock, the second part is a derived (coma) is a sphere of gas surrounded by enormous nucleus and a tail gas and dust streams gushing out of the nucleus in the side facing into the Sun and the solar wind is blowing, the flyer back. By the tail of the Comet is divided into two types of tail gas is composed of molecular ion and illuminated by the sparkle of light was pushed away by the magnetic field in the solar system, the dust tail is composed of dust or other particles that are in the middle of the electrical.The dust tail. (Dust tail) of dust from Comet ejected from the nucleus is solar pressure pushed off the Comet. These dusts can be reflective of the Sun, it appears as a light curve along the direction of orbit. Nucleus of the comet has a diameter of about 10 km of common codes section of a typical Comet unfolds several hundred kilometers radius width is reached. The comet's tail, and typically have a length of up to 100 million km. As the distance between the Earth and the Sun.
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