T.2 the earth in the universe

1. THE EARTH IN
THE UNIVERSE
Biology and Geology

2. THE EARTH IN THE UNIVERSE
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3. THE ORIGIN OF THE UNIVERSE
3

4. THE EARTH IN THE UNIVERSE
4

5. DISTANCES IN THE UNIVERSE
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6. GALAXIES
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7. MILKY WAY
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8. STARS: THE SUN
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9. THE SOLAR SYSTEM
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10. THE MOVEMENTS OF THE PLANETS
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11. PLANETS IN THE SOLAR SYSTEM
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12. THE EARTH´S REVOLUTION
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13. THE EARTH´S ROTATION
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14. THE IMPORTANCE OF THE EARTH´S MOVEMENTS
FOR LIVING THINGS
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15. THE SUN, EARTH AND MOON
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