| 单词 | heliopause |
| 释义 | heliopause[ hee-lee-uh-pawz ] / ˈhi li əˌpɔz / noun Astronomy.the boundary of the heliosphere. Origin of heliopauseFirst recorded in 1970–75; helio- + pause Words nearby heliopauseheliograph, heliogravure, heliolatry, heliolithic, heliometer, heliopause, heliophyte, Heliopolis, Helios, helioscope, heliosphere Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for heliopauseheliopause / (ˈhiːlɪəʊˌpɔːz) / nounthe boundary between the region of space dominated by the solar wind and the interstellar medium Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Scientific definitions for heliopauseheliopause [ hē′lē-ə-pôz′ ] The region surrounding the solar system at which pressure from the outgoing solar wind equals the pressure from the interstellar medium (made up mostly of hydrogen and helium), and the solar wind can penetrate no further. It is considered to be the outer boundary of our solar system. See more at solar wind. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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