Read all of the Prologue and Chapter 1.

Here are some questions to think about while reading the prologue and chapter 1.

Prologue: Science and the Universe: A Brief Tour

Chapter 1: Observing the Sky: The Birth of Astronomy

Learn and understand the definitions of terms in boldface throughout this chapter, and future chapters. Both the chapter text and the glossary in appendix 3 can be of help. For this chapter, here is a list of vocabulary terms:

geocentric, zenith, horizon, celestial sphere, north and south celestial poles, celestial equator, north and south circumpolar zones, ecliptic, zodiac, constellations, cosmology, magnitudes (of stars), precession (of the Earth), retrograde motion, epicycles, heliocentric, acceleration.

© Robert Harr 2005