| 单词 | blueshift |
| 释义 | blueshiftor blue shift[ bloo-shift ] / ˈbluˌʃɪft / noun Astronomy.a shift toward shorter wavelengths of the spectral lines of a celestial object, caused by the motion of the object toward the observer. Origin of blueshiftFirst recorded in 1950–55; blue + shift Words nearby blueshiftblue schist, blue screen, blue screen technology, blue shark, Blue Shield, blueshift, blue-singlet, blue-sky, blue-sky law, blue-sky thinking, bluesman Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for blueshiftblueshift / (ˈbluːˌʃɪft) / nouna shift in the spectral lines of a stellar spectrum towards the blue end of the visible region relative to the wavelengths of these lines in the terrestrial spectrum: a result of the Doppler effect caused by stars approaching the solar systemCompare redshift 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 blueshiftblue shift See under Doppler effect. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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