In Russia the catalogue of four hundred asteroids and thirty comets is made. The orbits of these heavenly bodies close in the Earth orbit. Potentially they can represent danger to our civilization. Scientists of the Institute of applied astronomy in St. Petersburg said, that they have collected in one edition the huge quantity of all-important information. They also have informed, that in five years the international astronomical union will open and define orbits of not less than 90 percents of all asteroids in diameter more than kilometer which can close in the Earth.

News source: regions.ru
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