List of contents of proposed textbook Contents; 1. The contents of the universe: from elementary particles to clusters of galaxies. 2. The nature of space and time: Relativity Theory 3. Theories of the origin of the universe: Big Bang, Steaday State, Oscillating Universe. Observational evidence 4. Cold stars and hot stars: formation of the elements, stellar evolution, H-R diagram, clusters 5. Pulsars and other dense objects: white dwarfs, neutron stars, black holes 6. Galaxies and quasars 7. The Sun 8. The Earth 9. The Moon 10. Mars and Venus 11. Other planets and asteroids. Meteorites and comets 12. Theories of the formation of the solar system 13. The question of extra-terrestrial life. Exobiology. Search for life outsied the solar system. Energetics of flights to other stars. 14. Instruments for space esploration and astronomy. Manned vs. Unmanned flight 15. Evolution of astronomical thought. Questions that remain to be answered. Appendix A: Coordinate systems and night sky maps Appendix B: Motion in gravitaional field Appendix C: Useful numbers and tables 1973