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When this line of latitude was named in the last centuries BCE, the Sun was in the constellation Cancer (Latin: Crab) at the June solstice (90° ecliptic longitude). Due to the precession of the equinoxes, this is no longer the case; today the Sun is in constellation Taurus at the June solstice. The word "tropic" itself comes from the Greek ...
'A Map of the Myriad Countries of the World'; Italian: Carta Geografica Completa di tutti i Regni del Mondo, "Complete Geographical Map of all the Kingdoms of the World"), printed by Italian Jesuit missionary Matteo Ricci at the request by Wanli Emperor in 1602, is the first known European-styled Chinese world map (and the first Chinese map to ...
Stereographic projection of the world north of 30°S. 15° graticule. The stereographic projection with Tissot's indicatrix of deformation.. The stereographic projection, also known as the planisphere projection or the azimuthal conformal projection, is a conformal map projection whose use dates back to antiquity.
The gazetteer section of Ptolemy's work provided latitude and longitude coordinates for all the places and geographical features in the work. Latitude was expressed in degrees of arc from the equator, the same system that is used now, though Ptolemy used fractions of a degree rather than minutes of arc. [21]
Google Latitude was a location-aware feature of Google Maps, developed by Google as a successor to its earlier SMS-based service Dodgeball. Latitude allowed a mobile phone user to allow certain people to view their current location. Via their own Google Account, the user's cell phone location was mapped on Google Maps. The user could control ...
Geodetic latitude and geocentric latitude have different definitions. Geodetic latitude is defined as the angle between the equatorial plane and the surface normal at a point on the ellipsoid, whereas geocentric latitude is defined as the angle between the equatorial plane and a radial line connecting the centre of the ellipsoid to a point on the surface (see figure).
Latitude at top edge of map, in decimal degrees; bottom = 39.381 Latitude at bottom edge of map, in decimal degrees; left = 115.3186 Longitude at left edge of map, in decimal degrees; right = 117.566 Longitude at right edge of map, in decimal degrees; Precision. Longitude: from West to East this map definition covers 2.2474 degrees.
Alert, in the Qikiqtaaluk Region of Nunavut, Canada, is the northernmost continuously inhabited place in the world. [5] [6] The location is on Ellesmere Island (in the Queen Elizabeth Islands) at latitude 82°30'05" north, 817 km (508 mi) from the North Pole. [7]