Kaufmann's Universe
5th ed. Answers to questions.

---

Work in progress
Chapter 19 The Nature of Stars

---

Abell's Exploration of the Universe
7th ed. Answers to questions. Astronomy A
SOLAR SYSTEM ASTRONOMY
Chapter 3 Gravitation.
Chapter 4 Orbits, Tides, Precession.
Chapter 11 The Planetary System.
Chapter 13-20 Solar system objects. Astronomy B
STELLAR ASTRONOMY
Chapter 21 Surveying the Stars.
Chapter 22 Analyzing Starlight.
Chapter 23 Binary Stars.
Chapter 24 Nearby stars: Celcstial Census.
Chapter 25 Gas and Dust in Space.
Chapter 26 The Sun.
Chapter 27 The Nuclear Powerhouse.
Chapter 28 The Birth of Stars.
Chapter 29 Star Clusters.
Chapter 30 Evolution and Death of Old Stars.