Basic principles of positional astronomy - Astronomical coordinates, Position triagle, Measurement of time, Stellar distances - Stellar photometry and stellar magnitudes, Colour indices - Spectra and spectral classification of sstars – Sun, planets and their satellites, minor planets, comets – Basic principles of stellar evolution and final stages of matter – Binary and Variable stars – Characteristics, classification, clusters, and evolution of galaxies – Observations of cosmological importance, theories of creation and evolution of the universe, cosmological models.