Definition
The outermost layers of a planet's or moon's atmosphere where gas molecules are so spread out they escape into space.
Etymology
From Greek 'exo-' (outside) + 'sphaira' (sphere). The term emerged in 20th-century planetary science to describe the transitional region between atmosphere and space where particles have enough energy to escape gravity.
Kelly Says
The exosphere is where the last wisps of Earth's air say goodbye to our planet—it's the fuzzy boundary where our atmosphere just...gives up trying to stay close. Satellites orbiting there are technically in space, but still occasionally collide with stray oxygen atoms!
Translations
AMአማርኛ
አክስኦስፍየር
a-k-so-sfe-yer
ARالعربية
إكسوسفير
iks-o-sfeer
BNবাংলা
এক্সোস্ফিয়ার
eks-o-sfi-ar
CACatalà
exosferes
eks-o-sfer-es
CSČeština
exosféry
eks-o-sfé-ry
DADansk
exosferer
eks-o-sfer-er
DEDeutsch
Exosphären
eks-o-sfɛːrən
ELΕλληνικά
εξωσφαίρες
e-kxo-sfa-ires
ESEspañol
exosferas
eks-o-sfeh-ras
FAفارسی
اکسوسفر
eks-o-sfer
FISuomi
exosfäärit
eks-o-sfää-rit
FRFrançais
exosphères
eks-o-sfere
GUGU
એક્સોસ્ફિયર
eks-o-sfi-yar
HAHA
exospheres
eks-o-sfeh-rehs
HEעברית
אקסוספירה
aks-o-sfi-ra
HIहिन्दी
एक्सोस्फीयर
eks-o-sfe-e-r
HUMagyar
exosfére
eks-o-sfe-re
IDBahasa Indonesia
exosfer
eks-o-sfer
IGIG
exospheres
eks-o-sfeh-rehs
ITItaliano
esofere
e-so-feh-re
JA日本語
エキソスフィア
ekis-o-su-fia
KKKK
eksosferler
eks-o-sfer-ler
KMKM
អេក្សូស្ផែរ
aek-so-sfe-or
KO한국어
에폭스피어
e-po-kse-pi-eo
MRMR
एक्सोस्फीयर
eks-o-sfi-yar
MSBahasa Melayu
eksosfer
eks-o-sfer
MYမြန်မာ
အက်စိုစpheus
a-k-so-sfe-us
NLNederlands
exosferen
eks-o-sfe-ren
NONorsk
exosferer
eks-o-sfer-er
PAPA
ਐਕਸੋਸਫિયਰ
aek-so-sfi-yar
PLPolski
ekzosfery
eks-o-sfer-i
PTPortuguês
exosferas
eks-o-sfeh-ras
RORomână
exosfere
eks-o-sfeh-re
RUРусский
экзасфера
eks-sa-fera
SVSvenska
exosferer
eks-o-sfer-er
SWKiswahili
exospheres
eks-o-sfeh-rehs
TAதமிழ்
எக்ஸோஸ்பியர்
ek-so-sfi-yar
TEతెలుగు
ఎక్సోస్ఫియర్
ek-so-sfi-yar
THไทย
เอ็กโซสเฟียร์
e-kxo-sfe-e-r
TLTL
exospheres
eks-o-sfeh-rehs
TRTürkçe
exosferler
eks-o-sfer-ler
UKУкраїнська
екзосфера
eks-o-sfera
URاردو
ایکسوسفر
eks-o-sfer
VITiếng Việt
exospheres
eks-o-sfeh-rehs
YOYO
exospheres
eks-o-sfeh-rehs
ZH中文
外层球层
wài céng qiú céng
ZUZU
exospheres
eks-o-sfeh-rehs