| Introduction |
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1 | (8) |
| Part I Measurements |
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Apparent Diameter: Observed Diameter of Celestial Bodies |
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9 | (7) |
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Angular Separation: Angular Distance between Celestial Bodies |
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16 | (7) |
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Altitude: Vertical Coordinate |
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23 | (5) |
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Azimuth: Horizontal Coordinate |
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28 | (9) |
| Part II Optical Instruments |
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Apertures: The Gathering of Light |
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37 | (6) |
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Diffraction: The Spreading of Light |
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43 | (8) |
| Part III The Sun |
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Sunspots: Cooler Surface Regions |
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51 | (5) |
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True Sun: How the Sun Appears to Move |
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56 | (6) |
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Seasons: Four Times of the Year |
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62 | (9) |
| Part IV The Planets |
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Solar System Scale: Miniature Model |
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71 | (6) |
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Barycenter: The Balancing Point |
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77 | (5) |
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Orbital Eccentricity: How Circular a Celestial Body's Path Is |
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82 | (5) |
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Planetary Phenomena: Planetary Movement Relative to Earth |
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87 | (6) |
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Orbital Period: Time of Revolution |
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93 | (6) |
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Spheroids: Bulging Bodies |
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99 | (7) |
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Rotation: The Spinning of Celestial Bodies |
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106 | (5) |
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Phases of Venus: Changes in Shape and Size |
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111 | (8) |
| Part V Moons |
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Moon Phase: The Moon's Visible Lighted Surface |
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119 | (5) |
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Eclipses: Shadows of Earth and the Moon |
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124 | (4) |
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Craters, Maria, and Highlands: The Moon's Surface Features |
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128 | (5) |
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Galilean Satellites: Jupiter's Largest Moons |
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133 | (8) |
| Part VI Stars |
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Celestial Sphere: Sky Globe |
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141 | (5) |
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Zodiac Band: Background for the Ecliptic |
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146 | (7) |
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Circumpolar: Stars above the Horizon |
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153 | (4) |
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Star Clock: Star Positions Indicate Time |
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157 | (5) |
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Star Systems: Multiple Stars |
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162 | (4) |
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Apparent Magnitude: Apparent Star Brightness |
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166 | (6) |
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Parallax: Apparent Shift of an Object |
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172 | (9) |
| Part VII Meteors and Artificial Satellites |
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Meteors: Streaks of Light in the Sky |
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181 | (4) |
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Artificial Satellites: Man-made Orbiters |
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185 | (4) |
| Appendix 1 Random Error of Measurement |
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189 | (2) |
| Appendix 2 Relative Error: Percentage Error |
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191 | (2) |
| Appendix 3 Planet Facts and Figures |
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193 | (2) |
| Appendix 4 Tangent Table |
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195 | (2) |
| Appendix 5 Sources of Scientific Supplies |
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197 | (2) |
| Glossary |
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199 | (10) |
| Index |
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209 | |
