| nadir |
an extreme state of adversity; the lowest point of anything the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected
출처: wordnet.princeton.edu/perl/webwn
|
|---|---|
| nadir |
1. Satellite subpoint on the earth's surface that is centered directly below the satellite. This is also referred to as the point of zero nadir angle for a satellite in earth orbit. 2. The point on a given observer's celestial sphere diametrically opposite his zenith, that is, directly below the observer.
출처: amsglossary.allenpress.com/glossary/browse
|
| nadir |
the lowest point. The term is used to refer to the lowest CD4 T-cell count a person ever reached before the count increased due to anti-HIV treatment.
출처: www.aegis.com/pubs/beta/1999/be990414.html
|
| nadir |
the lowest point.
출처: www.gmhc.org/health/glossary3.html
|
| nadir |
The nadir is the point directly below an observer. NAIAD Naiad is a tiny moon of Neptune. It was discovered using NASA's Voyager 2 mission in 1989. It orbits 48,230 km from the center of Neptune and is about 58 km in diameter.
출처: www.enchantedlearning.com/subjects/astronomy/gloss...
|