Chapter 1 Orion

Figure 1.1 Lunar Phases

Figure 1.2 Lunar Eclipse

Figure 1.3 Solar Eclipse

Figure 1.4 Solar Eclipse Types

Figure 1.5 Eclipse Geometry

Figure 1.6 Eclipse Tracks

Figure 1.7 Planetary Motions

Figure 1.8 Geocentric Model

Figure 1.9 Ptolemy’s Model

Figure 1.10 Nicholas Copernicus

Figure 1.11 Retrograde Motion

Discovery 1-1a The Scientific Method

Discovery 1-1b The Scientific Method

Figure 1.12 Galileo Galilei

Figure 1.13 Galilean Moons

Figure 1.14a Venus Phases

Figure 1.14b Venus Phases

Figure 1.15 Johannes Kepler

Figure 1.16 Tycho Brahe

Figure 1.17 Ellipse

Figure 1.18 Kepler’s Second Law

More Precisely 1-1 Some Properties of Planetary Orbits

Figure 1.19 Astronomical Unit

Figure 1.20 Isaac Newton

Figure 1.21 Newton’s First Law

Figure 1.22 Gravity

Figure 1.23 Gravitational Force

Figure 1.24 Sun’s Gravity

Figure 1.25 Orbits