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The coastline paradox states that a coastline does not have a well-defined length. Measurements of the length of a coastline behave like a fractal, being different at different scale intervals (distance between points on the coastline at which measurements are taken). The smaller the scale interval (meaning the more detailed the measurement ...
With a coastline of 3,260 km (2,030 mi), excluding islands, Vietnam claims 12 nautical miles (22.2 km; 13.8 mi) as the limit of its territorial waters, an additional 12 nautical miles (22.2 km; 13.8 mi) as a contiguous customs and security zone.
[[Category:Graphical timeline templates]] to the <includeonly> section at the bottom of that page. Otherwise, add <noinclude>[[Category:Graphical timeline templates]]</noinclude> to the end of the template code, making sure it starts on the same line as the code's last character.
Portolan charts are nautical charts, first made in the 13th century in the Mediterranean basin and later expanded to include other regions. The word portolan comes from the Italian portolano, meaning "related to ports or harbors", and which since at least the 17th century designates "a collection of sailing directions". [1]
On nautical charts, the top of the chart is always true north, rather than magnetic north, towards which a compass points. Most charts include a compass rose depicting the variation between magnetic and true north. However, the use of the Mercator projection has drawbacks. This projection shows the lines of longitude as parallel.
An uncrewed Chinese military aircraft flew with its tracker switched on close to Vietnam's coast last week, a South China Sea research body told Reuters, the first time in the group's five years ...
The Philippines and Vietnam will kick off their first-ever joint coast guard exercise in the Manila Bay this week, in line with a commitment by both countries to boost maritime cooperation. The ...
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