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单词 magnetotail
释义

magnetotailn.

Brit. /maɡˌniːtə(ʊ)ˈteɪl/, U.S. /mæɡˈˌnɛdəˈˌteɪl/, /mæɡˈˌnidəˈˌteɪl/
Origin: Formed within English, by compounding. Etymons: magneto- comb. form, tail n.1
Etymology: < magneto- comb. form + tail n.1
Astronomy.
A broad, elongated extension of a planet's magnetosphere on the side away from the sun.
ΘΚΠ
the world > the earth > weather and the atmosphere > [noun] > specific regions of > specific region of magnetosphere
magnetotail1970
1970 V. M. Vasyliunas in G. Skovli Polar Ionosphere ii. 27 Intense fluxes of electrons extend across the entire magnetotail.
1973 Nature 9 Mar. 79/2 The multiple satellite mission will help unravel the spatial and temporal variations of the radiation belt, the magnetopause, the bow shock and magnetotail.
1992 S. P. Maran Astron. & Astrophysics Encycl. 427/2 Mercury has an apparently Earth-like magnetotail, drawn out in the anti-sunward direction by the solar wind.
This entry has been updated (OED Third Edition, March 2000; most recently modified version published online March 2022).
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n.1970
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