释义 |
plasma sheet|ˈplæzmə ʃiːt| Also plasma-sheet. [f. plasma + sheet n.1] A layer of plasma in the magnetotail which lies in the equatorial plane of the earth some distance beyond the plasmapause and has two branches that diverge to reach the earth in polar latitudes.
1966Physical Rev. Lett. XVI. 138 (heading) Electrons in the plasma sheet of the earth's magnetic tail. 1970V. M. Vasyliunas in G. Skovli Polar Ionosphere ii. 27 Intense fluxes of electrons extend across the entire magnetotail, forming the plasma sheet, first detected by the Luna 2 space probe in 1959. 1974McGraw-Hill Yearbk. Sci. & Technol. 276/2 The plasmasheet plays a key role in the development of the magnetospheric sub⁓storm. |