Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
atmospheric layer
|
| gptkbp:alsoKnownAs |
exosphere base
|
| gptkbp:altitudeOnEarth |
approximately 500-1000 km above sea level
|
| gptkbp:borders |
gptkb:thermosphere
exosphere |
| gptkbp:characterizedBy |
mean free path of particles is comparable to scale height
|
| gptkbp:composition |
mainly hydrogen and helium atoms above exobase
|
| gptkbp:firstDescribed |
mid-20th century
|
| https://www.w3.org/2000/01/rdf-schema#label |
Exobase
|
| gptkbp:locatedIn |
upper atmosphere
|
| gptkbp:lowerAward |
exosphere
|
| gptkbp:rank |
gptkb:thermosphere
|
| gptkbp:relatedTo |
important for atmospheric escape
important for satellite orbits |
| gptkbp:significance |
upper limit of atmosphere where collisions between particles become rare
|
| gptkbp:temperatureAtExobase |
varies, typically 1000-2000 K on Earth
|
| gptkbp:bfsParent |
gptkb:Exosphere
|
| gptkbp:bfsLayer |
6
|