Talk:Nadir

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Mythology

I believe the words zenith and nadir come originally from ancient mythology (Greek and Mesopothamian). The universe had an egg shape. Zenith was the highest point of heaven; earth was flat in the middle; nadir was the lowest point of the underworld. It would take a lot of research to find the right sources to verify all that. Grushenka (talk) 08:19, 29 June 2021 (UTC)[reply]

Medical, Emotional, and other meanings sections

These sections seem out of place on an astronomy subpage. I suggest we move them to separate articles and keep the current one focused on the astronomical meaning. This page also did not show up in the disambiguation. — Preceding unsigned comment added by Triceraranger (talk • contribs) 19:48, 26 September 2018 (UTC)[reply]

May 2007

I think a figure would be of great value here...anyone know of one rattling around? --Leila 20:34, 1 May 2007 (UTC)[reply]

Text moved from article

I moved the following text here. It first needs some explanation as to its relevance to the English meaning of 'point opposite the zenith', then it can be moved back:

Nadir also means 'precious' and 'rare' in arabic and Hebrew. (spelt nadir or nader) -- User:57.73.15.6

BillC 22:06, 29 November 2005 (UTC)[reply]

Actually, it's from the phrase "nazir as-samt", that is, "opposite the zenith". While I'm not sure what "nadir" means in 'Arabic, I'm sure that the 2 words are not related (the root of one is nun-dal-rah and the other is nun-zah-rah). The English pronunciation of "nazir" is simply a mistake (like "samt" being pronounced "zenith", or "sifr" being pronounced "zero" etc). Zyxoas (talk to me - I'll listen) 13:44, 9 July 2006 (UTC)[reply]

This question has again been raised. — BillC ^talk 23:48, 20 May 2007 (UTC)[reply]

Meaning

Nadir also means rare in Hebrew, not only in Arabic It is written as נדיר. My name is Nadir and I am Israeli, that is why I know it. Please add it. --Idontknow610 18:33, 15 November 2007 (UTC)[reply]

Consider adding this to http://en.wiki.x.io/wiki/Nadir_(name) instead of here.

Pronunciation (vowels)

I am hearing this term a lot being used on NASA TV, watching the coverage of STS-116. There, it is pronounced "Nader", as in Ralph Nader. Is this the universal pronunciation of the word (at least, in English)? If so, that is a piece of information that would be useful to include (seeing the word, I would interpret the spelling as "Nah-DEER", particularly given the apparent Arabic origin). On that note, I have added a clarification to the link on "Nader". --RealGrouchy 00:31, 14 December 2006 (UTC)[reply]

It's a very common term if you ever have studied astrology or navigation by celestial bodies. Ronbo76 07:14, 9 January 2007 (UTC)[reply]

Image Request

A request was made at the Graphic Lab for an Image to improve this article: your comments would be welcome. ---Dave the Rave (DTR)talk 09:45, 16 August 2007 (UTC)[reply]

Examples of usage

Those seeking example(s) of the term's usage can review audio and/or transcripts of air/ground NASA communications during astronaut EVA (Extra-Vehicular Activity) work, such as to structures on the International Space Station. - Ageekgal (talk) 14:59, 11 February 2008 (UTC)[reply]

Nadir as persian name

I believe that the right English spelling for the Persian name is: Nader(نادر), as the pronunciation seems to differ from the Arabic variant which is written the same using Arabic alphabet(نادر ) but pronounced: Nadir.--217.29.87.11 (talk) 18:23, 24 December 2008 (UTC)kasvi[reply]

Consider adding this to the following page, not here. http://en.wiki.x.io/wiki/Nadir_(name) — Preceding unsigned comment added by Triceraranger (talk • contribs) 19:42, 26 September 2018 (UTC)[reply]

Nadir is a direction, not a point

Nadir refers to a direction, not to a point, as do zenith, horizon, etc. Wulfgang (talk) 16:35, 21 January 2009 (UTC)[reply]

I've edited the page accordingly, and incorporated the introductory paragraph from zenith to help unify these two related articles. 98.185.216.60 (talk) 23:14, 2 February 2009 (UTC)[reply]

Nadir refers to a direction at a point. In General Relativity the Nadir at all points is never identical. In Special Relativity the Nadir of some points is perceived to be identical because of measurement imprecision. Dsoconno (talk) 09:52, 3 May 2023 (UTC)[reply]

Clarification of Nadir Satellite Viewing Geometry

My colleagues find the description of the Nadir satellite viewing geometry to be insufficient to properly understand it. I will attempt to address this by rewording the current text in terms of a viewing geometry instead of an angle. I will also attempt to put in a second figure depicting a satellite. The current figure is quite correct, but it is difficult to imagine how it applies to satellites unless you are already familiar with the meaning. Grayob (talk) 20:10, 4 June 2009 (UTC)[reply]

Nadir And Nenith

Nadir comes from ottoman empire (old turkish) with the meaning of "down". Zenith comes from roman empire (latin) with the meaning of "up". Nadir and Zenith are 2 directions that they can help people to orient themselves. Attention!!! North Pole and South Pole with Nadir and Zenith are a total differention. Poles are points and N&Z are directions. If you wanna find more about stars (constelations) search on youtube "Astroscope" Good luck! 2A02:2F05:1202:7100:410A:4601:C53B:8A92 (talk) 21:09, 8 January 2023 (UTC)[reply]