| 单词 | local bubble |
| 释义 | > as lemmaslocal bubble local bubble n. (also with capital initials) Astronomy a region of the galaxy that contains the solar system and in which the density of the interstellar medium is significantly less than the galactic average.The region is approx. 300 light years across. ΚΠ 1985 T. W. Hartquist in F. D. Kahn Cosmical Gas Dynamics 86 Cox and Anderson considered adiabatic remnant models of the local bubble. 1994 N. Henbest & H. Couper Guide to Galaxy vi. 185/2 The Local Bubble is so small that it is unlikely to contain any of the rather rare highly luminous stars. 2002 Economist 12 Jan. 81/2 The Local Bubble is a quiet place: just thin, hot gas and stars, almost all of them small ones like the sun that are up to no particular mischief. < as lemmas |
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