Comet (Comet) is a small objects like asteroids but there's orbit around the sun is elliptical, narrow and sloping cut to the plane of the ecliptic is the high Comets are composed of ice (ice) and gas in solid state power. The mass of the comet from the Sun that solar winds blow to sublimate into gas, gas, these tending in the direction opposite the sun appears as a tail millions of kilometers.
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