| 21. | Southern auroras are called aurora australis; northern ones, aurora borealis.
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| 22. | NORTHERN LIGHTS _ MCGRATH, Alaska _ The showering splendor of light called aurora borealis.
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| 23. | For example, Aurora Borealis, or " AB ", gives the surface a rainbow appearance.
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| 24. | Therefore the aurora borealis can be seen farther south in Canada than in Norway.
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| 25. | Chena Hot Springs has visibility of the Aurora borealis, especially around the March equinox.
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| 26. | On clear winter nights, the aurora borealis can often be seen dancing in the sky.
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| 27. | "Aurora Borealis " is based on two separate sketches.
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| 28. | The aurora borealis and aurora australis light up the skies of the Antarctic circles respectively.
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| 29. | In northern latitudes, the effect is known as the Aurora Borealis or the Northern Lights.
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| 30. | Here, the astronomical phenomenon of aurora borealis attracts domestic and foreign tourists to this village.
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