Northern+Lights


 * Aurora Borealis ( The Northern Lights ) **

** ★ __Introduction__ ** __:__
**The Aurora Borealis are brilliant and bright lights that shine in the night sky. When the Earth formed an atmosphere, the lights have been around her for million years**. ==  == ** ★ **__** What is the Aurora Borealis? **__ **The sun sends out a massive amount of particles. Earth’s magnetic field attracts these particles to the magnetic poles. They pass through atmosphere, and spread out as lights**.
 * sun and earth
 * the best time to see the aurora borealis --- The winter
 * It is a light phenomenon which emerges in the sky and happens in the upper atmosphere. These natural lights appear above northern and southern poles and form as an ﻿﻿﻿﻿auroral oval﻿﻿﻿ . Therefore, we can see them at northern places or northern countries such as Canada, Alaska, Russia and Norway.  **
 * ★ ** **__What causes the Northern Lights__**?


 * ★ ** __** What is the common colours? **__
 * The colours combine of red and green or red and blue light. **
 * ===** nitrogen **===
 * ===** oxygen atoms **===

  

**★ __Can we forecast the Northern lights?__**

★ __** Conclusion ** : __
**The aurora borealis are so amazing and spectacular. According to the map, we can find out Canada geography near the northern magnetic pole. Thus, we can clearly observe this wonderful scene**.
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 * what cause the aurora borealis **
 * what cause the aurora borealis **

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