The exosphere (Ancient Greek: ἔξω [éxō] error: {{lang}}: text has italic markup (help) "ootside, freemit, ayont", Ancient Greek: σφαῖρα [sphaĩra] error: {{lang}}: text has italic markup (help) "sphere") is a thin, atmosphere-lik volume surroondin a planet or naitural satellite whaur molecules are gravitationally boond tae that bouk, but whaur the density is too law for them tae behave as a gas bi collidin wi ilk ither.[1]

Sundoun frae the ISS
Sundoun frae the ISS

References eedit

  1. Steigerwald, William (17 August 2015). "NASA's LADEE Spacecraft Finds Neon in Lunar Atmosphere". NASA. Retrieved 18 August 2015.