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The internal structure of Earth are the layers of the Earth, excluding its atmosphere and hydrosphere. The structure consists of an outer silicate solid crust, a highly viscous asthenosphere, and solid mantle, a liquid outer core whose flow generates the Earth's magnetic field, and a solid inner core . Scientific understanding of the internal ...
Land art, variously known as Earth art, environmental art, and Earthworks, is an art movement that emerged in the 1960s and 1970s, [1] largely associated with Great Britain and the United States [2] [3] [4] but that also includes examples from many countries. As a trend, "land art" expanded boundaries of art by the materials used and the siting ...
Location of Nazca lines in Peru. The Nazca lines ( / ˈnɑːzkə /, /- kɑː / [1]) are a group of geoglyphs made in the soil of the Nazca Desert in southern Peru. [2] They were created between 500 BC and 500 AD by people making depressions or shallow incisions in the desert floor, removing pebbles and leaving different-colored dirt exposed. [3]
t. e. In geodesy, the figure of the Earth is the size and shape used to model planet Earth. The kind of figure depends on application, including the precision needed for the model. A spherical Earth is a well-known historical approximation that is satisfactory for geography, astronomy and many other purposes.
J. R. R. Tolkien accompanied his Middle-earth fantasy writings with a wide variety of non-narrative materials, including paintings and drawings, calligraphy, and maps.In his lifetime, some of his artworks were included in his novels The Hobbit and The Lord of the Rings; others were used on the covers of different editions of these books, and later on the cover of The Silmarillion.
World map. A world map is a map of most or all of the surface of Earth. World maps, because of their scale, must deal with the problem of projection. Maps rendered in two dimensions by necessity distort the display of the three-dimensional surface of the Earth. While this is true of any map, these distortions reach extremes in a world map.
Earth is the third planet from the Sun and the only astronomical object known to harbor life. This is enabled by Earth being an ocean world, the only one in the Solar System sustaining liquid surface water. Almost all of Earth's water is contained in its global ocean, covering 70.8% of Earth's crust.
In modern mapping, a topographic map or topographic sheet is a type of map characterized by large- scale detail and quantitative representation of relief features, usually using contour lines (connecting points of equal elevation), but historically using a variety of methods. Traditional definitions require a topographic map to show both ...