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]

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Sundoun frae the ISS

References

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