Before the invention of the navigation compass, human beings mainly depended on the sun and the moon to determine their orientation. Celestial bodies, maybe rocks and trees. However, these direction finding methods have their limitations: they cannot be implemented by celestial bodies in bad weather environment, such as rainy days, foggy days and cloudy days. However, the orientation of the marker belt can only be limited to a small range.

Later, people discovered the characteristics of the north and south poles of magnets and invented the navigation compass. So that the orientation can be accurately measured in any environment.

The greatest contribution of navigation compass is to promote the development of navigation, prosper maritime transportation and discover the new continent. Sailors' compasses perform stunts.

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Before the invention of the compass, human beings mainly depended on the sun, the moon and other celestial bodies, or signboards to determine the orientation. However, these methods of determining the orientation have their limitations: it is impossible to determine the orientation by relying on celestial bodies in bad weather environment, such as rainy days, foggy days and cloudy days, and relying on signboards to determine the orientation can only be limited to a small range.

Later, people discovered the characteristics of the north and south poles of magnets and invented the compass, so that they can accurately locate the position in any environment.

The greatest contribution of compass has promoted the development of navigation, and the development and discovery of marine transportation and compass in the New World have made far-reaching achievements.

This is all about the compass ... four words are full, and the theme is quite big. ....