Have a look at the sun rise and sunset all over the world on this real-time, illustration of the earth’s patterns of sunlight and darkness. The clouds on this image are updated daily with the real weather satellite imagery. Refresh your browser in 5-10 minutes for a map update.
Sunrise and sunset all over the world generated real-time on Google maps.
The globe is an accurate representation of the earth and. Provided it is large enough, all parts of the earth’s surface represented on it in their actual shape, relative size, and shape. But, one of the most significant problems in making maps is how to draw tho curved surface of the globe onto a flat piece of paper. This is what is called projection.
The map projection is a systematic arrangement of meridians and parallels portraying the curved surface of the globe on a plane. Different types of map projection used. This is because they needed for various purposes. A projection which is suitable for showing countries near the Equator may not be so for showing the lands lying within the Arctic Circle.
The Mercator map projection
The Mercator map projection shown on the Google maps above is one way of looking at the spherical earth as a flat map. This map view used since the 16th century for navigation, straight lines on this map can be used accurately as compass bearings. Note that the size and shape of continents distorted.
This projection used since the 16th Century (AD 1569). It shows correct directions by straight lines. As a result, it is beneficial for air and sea navigation. The shapes of countries are well maintained. On the Mercator, map scale is correct along the Equator and gets worse towards the poles.
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