Understanding a comet

Comets are celestial bodies around the sun. Tracks comet-shaped oval and very different from the trajectory of the planet. Comets comes from the Greek, which means long hair.

a. Comets consist of a collection of dust and gas that freezes. Sunlight is often reflected by a part of the comet that appears tailed comet. Comet tail length can reach millions of kilometers. Direction of the comet's tail always away from the sun.

b. Visible light from the comet, a small portion is light itself and is largely a reflection of sunlight. Because it often seems tailed comet, the comet is called a comet there is also a mention of latitude kemukus (Java).

c. We know about 50 comets that appear every five or forty years. Comets was called Jupiter family comets, comet Haley emerged 76 years. This comet is very famous. This comet was discovered by a scientist named Edmund Haley in 1682. In 1886 the Indonesian people can see with the naked eye comet Haley although less obvious.

d. Comets have been known among other comet Encke appear every 3 years, comet Ikeya - Seki emerged in 1965, the comet Kohoutek comet appeared in 1973 and West appeared in 1976.