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  2. File:WGS84 angle to distance conversion.svg - Wikipedia

    en.wikipedia.org/wiki/File:WGS84_angle_to...

    WGS84 angle to distance conversion: Image title: Length of one degree (black), minute (blue) and second (red) of latitude and longitude in metric (upper half) and imperial (lower half) units at a given latitude in WGS84 by CMG Lee. For comparison, dotted lines denote corresponding lengths assuming a spherical Earth.

  3. Module : Location map/data/Northern and Central Europe

    en.wikipedia.org/.../Northern_and_Central_Europe

    Module:Location map/data/Northern and Central Europe is a location map definition used to overlay markers and labels on an Lambert azimuthal equal-area projection map of Northern and Central Europe. The markers are placed by latitude and longitude coordinates on the default map or a similar map image.

  4. Northern Europe - Wikipedia

    en.wikipedia.org/wiki/Northern_Europe

    A composed satellite photograph of islands and continental areas in and surrounding the North Sea and Baltic Sea.. The northern region of Europe has several definitions. A restrictive definition may describe northern Europe as being roughly north of the southern coast of the Baltic Sea, which is about 54°N, or may be based on other geographical factors such as climate and ecology.

  5. Scale (map) - Wikipedia

    en.wikipedia.org/wiki/Scale_(map)

    A graphical or bar scale. A map would also usually give its scale numerically ("1:50,000", for instance, means that one cm on the map represents 50,000cm of real space, which is 500 meters) A bar scale with the nominal scale expressed as "1:600 000", meaning 1 cm on the map corresponds to 600,000 cm=6 km on the ground.

  6. International System of Units - Wikipedia

    en.wikipedia.org/wiki/International_System_of_Units

    The conversion between different SI units for one and the same physical quantity is always through a power of ten. This is why the SI (and metric systems more generally) are called decimal systems of measurement units. [10] The grouping formed by a prefix symbol attached to a unit symbol (e.g. ' km ', ' cm ') constitutes a new inseparable unit ...

  7. Mercator projection - Wikipedia

    en.wikipedia.org/wiki/Mercator_projection

    However, if the map is marked with an accurate and finely spaced latitude scale from which the latitude may be read directly—as is the case for the Mercator 1569 world map (sheets 3, 9, 15) and all subsequent nautical charts—the meridian distance between two latitudes φ 1 and φ 2 is simply

  8. Dutch units of measurement - Wikipedia

    en.wikipedia.org/wiki/Dutch_units_of_measurement

    The length represented by the Dutch ell was the distance of the inside of the arm (i.e. the distance from the armpit to the tip of the fingers), an easy way to measure length. The Dutch "ell", which varied from town to town (55–75 cm), was somewhat shorter than the English ell (114.3 cm). A section of measurements is given below: [9]

  9. Geography of Europe - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Europe

    Satellite image of Europe by night 1916 physical map of Europe Topography of Europe. Some geographical texts refer to a Eurasian continent given that Europe is not surrounded by sea and its southeastern border has always been variously defined for centuries. In terms of shape, Europe is a collection of connected peninsulas and nearby islands.