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Earth's atmosphere photographed from the International Space Station.The orange and green line of airglow is at roughly the altitude of the Kármán line. [1]The Kármán line (or von Kármán line / v ɒ n ˈ k ɑːr m ɑː n /) [2] is a conventional definition of the edge of space; it is widely but not universally accepted.
Two levels of abstraction are employed in the definitions of latitude and longitude. In the first step the physical surface is modeled by the geoid, a surface which approximates the mean sea level over the oceans and its continuation under the land masses.
The world line (or worldline) of an object is the path that an object traces in 4-dimensional spacetime.It is an important concept of modern physics, and particularly theoretical physics.
A brief history of geodesy from NASA. [1]The history of geodesy (/dʒiːˈɒdɪsi/) began during antiquity and ultimately blossomed during the Age of Enlightenment.. Many early conceptions of the Earth held it to be flat, with the heavens being a physical dome spanning over it.
A medieval depiction of the Ecumene (1482, Johannes Schnitzer, engraver), constructed after the coordinates in Ptolemy's Geography and using his second map projection. In cartography, a map projection is any of a broad set of transformations employed to represent the curved two-dimensional surface of a globe on a plane.
In geography, the antipode (/ ˈ æ n t ɪ ˌ p oʊ d, æ n ˈ t ɪ p ə d i /) of any spot on Earth is the point on Earth's surface diametrically opposite to it. A pair of points antipodal (/ æ n ˈ t ɪ p ə d əl /) to each other are situated such that a straight line connecting the two would pass through Earth's center.
The line down the middle of this 1911 map is the prime meridian, shown passing through Greenwich. Saxavord and Balta at the top of the map are in the Shetland Islands, the most northerly parts of Scotland and the United Kingdom.
This Earth of Mankind is the first book in Pramoedya Ananta Toer's epic quartet called Buru Quartet, first published by Hasta Mitra in 1980.The story is set at the end of the Dutch colonial rule and was written while Pramoedya was imprisoned on the political island prison of Buru in eastern Indonesia.