Nadir
Appearance
![](http://178.128.105.246/content-http-upload.wikimedia.org/wikipedia/commons/thumb/4/47/Zenith-Nadir-Horizon.svg/300px-Zenith-Nadir-Horizon.svg.png)
In astronomy, the nadir is a point "below" a particular location. "Below" means in the same direction of gravity at that location. The nadir is the opposite of the zenith. The nadir is not a real point. It is used as a reference for the location of other things.
Related pages
[change | change source]References
[change | change source]- Glickman, Todd S. (2000). Glossary of meteorology. American Meteorological Society. ISBN 978-1-878220-34-9.
- McIntosh, D. H. (1972). Meteorological Glossary (5th ed.). ISBN 978-0-8206-0228-8.
- Picoche, Jacqueline (2002). Dictionnaire étymologique du français. Paris: Le Robert. ISBN 978-2-85036-458-7.