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    • Aurora borealis, or northern lights, above Bear Lake, Alaska.
    Rights: Public domain Published 9 August 2010 Size: 4.4 MB Referencing Hub media

    An aurora is the result of solar wind particles from the Sun (cosmic rays) captured by the Earth’s magnetic field.

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      Solar energy

      The Sun is the source of almost all our energy. It is a huge ball of hot gases that gives off energy as heat and light. This is called solar energy, which just means energy from the Sun. The ...

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