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NADIR definition: 1. the worst moment, or the moment of least hope and least achievement: 2. the point at which…. Learn more.
nadir: 1 n an extreme state of adversity; the lowest point of anything Synonyms: low-water mark Type of: adversity , hard knocks , hardship a state of misfortune or affliction n the point below the observer that is directly opposite the zenith on the imaginary sphere against which celestial bodies appear to be projected Antonyms: zenith the ...
nadir: [noun] the point of the celestial sphere that is directly opposite the zenith and vertically downward from the observer.
2 meanings: 1. the point on the celestial sphere directly below an observer and diametrically opposite the zenith 2. the lowest.... Click for more definitions.
Synonyms for NADIRS: depths, zeroes, abysses, zeros, bottoms, pits, bedrocks, armpits; Antonyms of NADIRS: peaks, heights, pinnacles, tops, apices, summits, heads, apexes
Synonyms for NADIR: depth, zero, abyss, bottom, bedrock, pit, rock bottom, armpit; Antonyms of NADIR: zenith, peak, height, apex, top, pinnacle, head, summit
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Nadir also refers to the downward-facing viewing geometry of an orbiting satellite, [2] such as is employed during remote sensing of the atmosphere, as well as when an astronaut faces the Earth while performing a spacewalk. A nadir image is a satellite image or aerial photo of the Earth taken vertically. A satellite ground track represents its ...
