GeoSpatial Knowledge Hive

China launches world largest telescope "Five-hundred-meter Aperture Spherical Telescope, or FAST" Investment :   $180 million Importance : Research, military, Space Control Research Area :  Tracing sign of intelligent extraterrestrial life.  Detecting gravitational waves.  Detecting radio emissions from stars and galaxies. image source: http://www.nydailynews.com/

Science of measuring shape and forces of earth. GIS needs Geodesic concepts to determine accurate positioning. Datum we use in GIS are core of Geodesy. Image by  Paul Brennan  from  Pixabay