The frozen planet
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## Contents

- Introduction
- Learning outcomes
- 1 Views of the frozen planet
- 2 The temperature in the polar regions
- 3 A flat map of a spherical world
- 4 The energy balance
  - 4.1 What is energy?
    - 4.2 The importance of albedo and heat capacity
- 5 Energy from the Sun
  - 5.1 The seasons
- 6 Defining the Arctic and Antarctic
  - 6.1 Habitats and temperatures: defining the Arctic
  - 6.2 A line in the ocean: defining the Antarctic
- 7 Summary
- Conclusion
- Keep on learning
- Acknowledgements

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