This video describes how to find the North Star (also called the Pole Star and Polaris). The video not only discusses how to locate these stars, but also answers the question "Does the North Star change?"
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The North Star / Pole Star / Polaris actually changes over time. It is not always the same. This is because of the axial precession of Earth. Some say that the vikings used the pole star for navigation too, and we explain how this might have been possible.
If you know how to find Polaris, you can actually use it for navigation on a clear night by using the constellation the big dipper as a guide. Although light pollution is becoming a larger problem, this method should still be useful if you run out of battery on a dark night somewhere up north in a low populated area.
You can learn more about the Pole Star in the following locations:
- https://en.wikipedia.org/wiki/Polaris
- https://en.wikipedia.org/wiki/Pole_star
- https://en.wikipedia.org/wiki/Precession
- https://en.wikipedia.org/wiki/Axial_precession
- http://www.space.com/15567-north-star-polaris.html
- https://en.wikipedia.org/wiki/History_of_navigation
Website with cities without light pollution: http://thierrycohen.com/pages/work/starlights.html#
Royalty Free Music attributions:
- BenSound: http://www.bensound.com/
- Light Thought var 3 by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Artist: http://incompetech.com/
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