The Earth and the Universe
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In this teaching unit you will learn: To understand in a qualitative way the notion of relative movement, to a sufficient degree to be able to explain the apparent movement of heavenly bodies as a consequence of the earth's rotation and translation. To explain in terms of these same movements the succession of days and nights and the seasons of the year. To know the components of the solar system and some of its most interesting properties. To understand the analogous nature among the sun and other stars, as well as acquiring a notion of its origin, the causes of its energy emission and its probable destiny. To explian the night sky as a way of seeing our galaxy, the Milky Way. To understand the enormous quantity of galaxies which exist in a universe perceived according to its evolutionary character .
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