| 单词 | flare star |
| 释义 | flare starnoun Astronomy.a dwarf star that exhibits sudden increases of magnitude similar to solar flares. Also called UV Ceti star. Origin of flare starFirst recorded in 1950–55 Words nearby flare starflap valve, flare, flareback, flare path, flares, flare star, flareup, flaring, flash, flashback, flash blindness Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for flare starflare star nouna red dwarf star in which outbursts, thought to be analogous to solar flares, occur, increasing the luminosity by several magnitudes in a few minutes 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 flare starflare star [ flâr ] A variable star that sporadically displays sudden increases in brightness, sometimes becoming six times as bright in a matter of only a few minutes, after which it gradually fades back to its normal brightness. The cause of this phenomenon is thought to be an event similar to a solar flare, but on a more intense scale with a much higher emission of x-rays. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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