| 释义 |
plasmapause|ˈplæzməpɔːz|
[f. plasma + pause n.]
The outer limit of a plasmasphere, marked by a sudden change in the plasma density and lying wholly within the magnetosphere (in the case of the earth extending up to several earth radii from its centre at equatorial latitudes).
1966[see plasmasphere]. 1971New Scientist 1 July 8/2 The time at which Io crosses the plasmapause [of Jupiter] and sets off a burst of radio emission therefore depends on the Sun's activity. 1976T. Beer Aerospace Environment vi. 113 At around fifty-five degrees geographic latitude the plasmapause is in the F region and it is almost vertical. Ibid. vii. 137 We can expect a plasmapause on Mars somewhere above 400 km. |