单词 | fast radio burst |
释义 | > as lemmasfast radio burst fast radio burst n. Astronomy an extremely intense pulse of radio waves of very short duration (of the order of milliseconds) emitted by a celestial object.Most such pulses are believed to originate outside the Milky Way. ΚΠ 1958 Nature 4 Jan. 37/2 The fast radio bursts are thus associated with the propagation of the electron plasma or transverse shock waves. 2005 S. Knyazeva tr. R. E. Gershberg Solar-Type Activity in Main-Sequence Stars 290 At first there was a fast radio burst with an amplitude of about 6 mJy and duration of about 30s on the background of quiet radiation of 2.5 mJy. 2019 BBC Focus Jan. 48/1 Of all the things leaving astronomers scratching their heads, fast radio bursts (FRBs) are particularly vexing. < as lemmas |
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