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Educational resources collections in the Botanical garden of the Autonomous educational institution of higher professional education "Leningrad state University named after A. S. Pushkin", with more than 400 species and varieties of tropical and subtropical plant have been reviewed. Plants related to different biomes, ecological groups, floristic kingdoms and regions and plants cultivated in agriculture have been specified. The directions of using a collection of plants in the course of training courses of the dis...

The present work is focusing on construction and analysis of 5 lunar models using space and ground observations. Firstly, it should be noted that the task of building a model of the lunar macro-figure relative to its center of mass and axes of inertia does not have a definitive solution yet. Within the present work the models of the lunar macro-figure are developed on the basis of space and ground observations. The methods of observation had implied binding of lunar objects to stars, i.e. celestial coordinate syst...