Contemporary tools
GPS - Global positioning system
- accurately determines the precise position of something on earth
Includes Three Elements
- Satellites in predetermined orbits
- Tracking stations to control satellites
- Receiver that can locate at least 4 satellites
Applications
- Tum-by-tum direction in vehicles
- Navigational aid to pilots and ship captains
- provide location for social media apps in a smartphone
Unique Points on earth
- a place is a specific point on earth distinguished by a particular characteristics
- describing the features of a place requires geographers to explain similarities, differences and changes across earth
- Geographers describe a features place on earth by identifying its location, the position that something occupies on earth's surface
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