Difference between revisions of "Zenith"
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[[Image:Zenit nadir.gif|right|200px]] | [[Image:Zenit nadir.gif|right|200px]] | ||
| − | '''Zenith''', the point of the celestial sphere that is directly opposite the [[nadir]] and vertically above the observer. | + | '''Zenith''', the point of the celestial sphere that is directly opposite the [[nadir]] and vertically above the observer.<ref>[http://www.m-w.com/dictionary/zenith Zenith] Merriam-Webster Online Dictionary</ref> |
Astronomical zenith is defined by gravity. | Astronomical zenith is defined by gravity. | ||
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== External links == | == External links == | ||
| − | *[ | + | *[https://www.britannica.com/eb/article-9078318/zenith Zenith] Encyclopædia Britannica. |
== References == | == References == | ||
