The Earth
저자: Montaña Padilla
1. EARTH REPRESENTATION
1.1. Globe
1.2. Flat
1.3. Map information
1.3.1. Physical
1.3.2. Political
1.3.3. Thematic
2. Four layers
2.1. Atmosphere
2.2. Hydrosphere
2.3. Geosphere
2.4. Biosphere
3. Earth movements
3.1. Rotation
3.1.1. Days and nights
3.1.2. 24 hours
3.1.3. Around it axis
3.2. Revolution
3.2.1. 365 days
3.2.2. Seasons
3.2.3. Around the sun