radio meteor

radio meteor

(radar meteor) See meteor.
Collins Dictionary of Astronomy © Market House Books Ltd, 2006

radio meteor

[′rād·ē·ō ′mēd·ē·ər]
(astronomy)
A meteor which has been detected by the reflection of a radio signal from the meteor trail of relatively high ion density (ion column); such an ion column is left behind a meteoroid when it reaches the region of the upper atmosphere between about 50 and 75 miles (80 and 120 kilometers), although occasionally radio meteors are detected at higher altitudes.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
There are many radio meteor observing projects for amateurs.
Further confirmation came from radio meteor observer Thomas Ashcraft in New Mexico, who recorded an event beginning shortly after 5:44 a.m.
Radio meteors tend to be caused by smaller particles than visual ones, and these two components of a shower may differ.