1 Table of Contents: “...Habitable zones -- Properties and Environments of Life -- Stars and Galaxies -- Planetary Systems...”

2 Table of Contents: “... -- Sternaufbau -- Sternentwicklung -- Interstellare Materie -- Die Galaxis -- Extragalaktische Systeme...”

3 Table of Contents: “... -- Stellar Structure -- Stellar Evolution -- Interstellar Matter -- The Galaxy -- Extragalactic Systems...”

4 Table of Contents: “... -- Sternatmosphären -- Sternaufbau -- Sternentwicklung -- Interstellare Materie -- Die Galaxis -- Extragalaktische...”

5 Table of Contents: “... on -- 7 Stars - Formation, structure and development -- 8 The world of galaxies -- 9 Life in the universe ?...”