Spaceguard
Sign in to savethumb|300px|Plot of orbits of known potentially hazardous asteroids (size over and passing within of Earth's orbit) as of early 2013 (alternative image).
Article
7 sectionsContents
- History
- Observations
- Issues
- See also
- References
- Further reading
- External links
thumb|300px|Plot of orbits of known potentially hazardous asteroids (size over and passing within of Earth's orbit) as of early 2013 (alternative image).
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).