Sky
Sky noun - The expanse of air surrounding the earth.
Upper atmosphere and sky are semantically related. in heavens topic. In some cases you can use "Upper atmosphere" instead a noun "Sky". popular alternative
Upper atmosphere
Sky and upper atmosphere are semantically related. You can use "Sky" instead a noun phrase "Upper atmosphere".
Mutual synonyms
Related pairs
Cite this Source
Upper atmosphere and Sky. (2016). Retrieved 2023, January 28, from https://thesaurus.plus/related/sky/upper_atmosphere
Sky & Upper atmosphere. N.p., 2016. Web. 28 Jan. 2023. <https://thesaurus.plus/related/sky/upper_atmosphere>.
Upper atmosphere or Sky. 2016. Accessed January 28, 2023. https://thesaurus.plus/related/sky/upper_atmosphere.
Google Ngram Viewer shows how "sky" and "upper atmosphere" have occurred on timeline