| 单词 | starburst |
| 释义 | starburst[ stahr-burst ] / ˈstɑrˌbɜrst / nouna pattern of lines or rays radiating from a central point. Astronomy. an intense and sudden episode of star formation in a galaxy. Photography. a camera lens attachment that produces star shapes of reflected light. Words nearby starburststar, star anise, star apple, Stara Zagora, starboard, starburst, Star Carr, starch, Star Chamber, star chart, starch blocker Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for starburst
British Dictionary definitions for starburststarburst / (ˈstɑːˌbɜːst) / nouna pattern of rays or lines radiating from a light source photog a lens attachment which produces a starburst effect 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 starburststarburst [ stär′bûrst′ ] The rapid formation of large numbers of new stars in a galaxy at a rate high enough to alter the structure of the galaxy significantly. Starburst galaxies, which are very luminous, form stars at rates that are between tens and hundreds of times faster than those of ordinary galaxies. Initial star formation is believed to be brought on by violent events such as collisions, or near collisions, with other galaxies, in which shockwaves cause the gases in the interstellar medium to collapse into protostars. The resulting stars are generally massive and short-lived. These stars become supernovae that create further shock waves, triggering yet more star formation. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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