{{Short description|Region of Earth's atmosphere}} '''Upper atmosphere''' is a collective term that refers to various layers of the atmosphere of the Earth above the troposphere<ref name="Morton 2022">{{cite web | last=Morton | first=Oliver | title=Upper atmosphere Definition und Bedeutung | website=Collins Wörterbuch | date=2022-08-26 | url=https://www.collinsdictionary.com/de/worterbuch/englisch/upper-atmosphere | language=de | access-date=2022-08-26}}</ref> and corresponding regions of the atmospheres of other planets, and includes:
* The mesosphere, which on Earth lies between the altitudes of about {{convert|50|and|80|km|mi}}, sometimes considered part of the "middle atmosphere" rather than the upper atmosphere * The thermosphere, which on Earth lies between the altitudes of about {{convert|80|and|700|km|mi}} * The exosphere, which on Earth lies between the altitudes of about {{convert|700|km|mi|0}} and {{convert|10,000|km|mi}} * The ionosphere, an ionized portion of the upper atmosphere which includes the upper mesosphere, thermosphere, and lower exosphere and on Earth lies between the altitudes of {{convert|50|and|1000|km|mi}}
==See also== *Geospace *Magnetosphere *Near space
==References== {{Reflist}}
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Category:Atmosphere of Earth Category:Atmosphere
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