The term Spaceguard loosely refers to a number of efforts to discover, catalogue, and study near-Earth objects (NEO), especially those that may impact Earth (potentially hazardous objects). Asteroids are discovered by telescopes which repeatedly survey large areas of sky.
The term Spaceguard loosely refers to a number of efforts to discover, catalogue, and study near-Earth objects (NEO), especially those that may impact Earth (potentially hazardous objects). Asteroids are discovered by telescopes which repeatedly survey large areas of sky.
Source: Wikipedia "Spaceguard" · CC BY-SA 4.0
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