5655
Sun, Earth and Moon

• Solar system
• Breakdown of sunlight
• Earth shape
• Poles, meridians and circle of latitude
• Earth magnetism
• Orientation
• Earth motions
• The apparent motion of the Sun
• Day and night
• The height of the sun during the day
• Measurement of time
• Time zones
• The sundial
• If the earth’s axis were not inclined
• Consequences of the inclination of the earth’s axis
• The solar irradiation on the earth’s surface
• Seasons
• Earth satellite: the Moon
• Lunar phases
• Eclipses