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Do Comets have Water in Them?
The researches on comets have been intensified in recent days. The comets belonging to the family of sun are revolving in the space under the gravitational force of Sun. Millions of comets are revolving in the space out of which only few come nearer to earth. Comet appears to our eyes only if it comes to a distance of 18 crore and 60 lakh mile km near earth. Scientists have proved in recent researches that comets may contain water in liquid state. Scientists of Arizona University have drawn this conclusion after analyzing the samples of comet named ‘Wild-2’ which were collected by the space ship Stardust of NASA. Comets get formed with combination of few minerals and ice. Scientists so far believed that ice cannot be melted on comets but the samples of Wild-2 comet contained some melted minerals in water. Thus they made a statement that comets may contain some amount of water in liquid state on them.
