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.
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