The aim of this course is for students to: (1) Build a conceptual structure of the Universe by relating its various components with the magnitudes involved in the space and time in which they occur, explaining the phenomena that originated them. (2) Conceptually study the physical phenomena that help us to understand Nature. (3) Understand the motion of objects in the sky as seen from the surface of the earth. (4) Compare the different characteristics of the planets and other objects in ours solar system. (5) Study the evolution of stars and the structure and history of the Universe.