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Miller projection with 1,000 km indicatrices of distortion. The Miller cylindrical projection is a modified Mercator projection, proposed by Osborn Maitland Miller in 1942. The latitude is scaled by a factor of , projected according to Mercator, and then the result is multiplied by to retain scale along the equator. [1] Hence:
Longitude lines are perpendicular to and latitude lines are parallel to the Equator. A geographic coordinate system ( GCS) is a spherical or geodetic coordinate system for measuring and communicating positions directly on Earth as latitude and longitude. [1] It is the simplest, oldest and most widely used of the various spatial reference ...
That point is represented by the entire circular boundary of the map, and the ocean around that point appears along the entire boundary. The Lambert azimuthal equal-area projection with Tissot's indicatrix of deformation. The Lambert azimuthal equal-area projection is a particular mapping from a sphere to a disk.
The gravity anomaly is the difference between the observed acceleration of an object in free fall ( gravity) near a planet's surface, and the corresponding value predicted by a model of the planet's gravitational field. [1] Typically the model is based on simplifying assumptions, such as that, under its self-gravitation and rotational motion ...
The plants in Middle-earth, the fictional world devised by J. R. R. Tolkien, are a mixture of real plant species with fictional ones. Middle-earth was intended to represent the real world in an imagined past, and in many respects its natural history is realistic. The botany and ecology of Middle-earth are described in sufficient detail for ...
A creeper is a fictional creature within the sandbox game Minecraft. Creepers are hostile mobs (a mobile non-player character) that can spawn anywhere that is dark, but can still survive in bright environments. Instead of attacking the player directly, they creep up on the player and explode, destroying blocks in the surrounding area and ...
The history of Earth is divided into four great eons, starting 4,540 mya with the formation of the planet. Each eon saw the most significant changes in Earth's composition, climate and life. Each eon is subsequently divided into eras, which in turn are divided into periods, which are further divided into epochs . Eon.
South-up map orientation is the orientation of a map with south up, at the top of the map, amounting to a 180-degree rotation of the map from the standard convention of north-up. Maps in this orientation are sometimes called upside down maps or reversed maps. [citation needed] Other maps with non-standard orientation include T and O maps, polar ...