Surprise! Fireballs Light up the Radio Sky, Hinting at Unexplored Physics

(Before It's News)

A series of All-Sky (fish eye) images showing the plasma trail left by a fireball, which extends 92 degrees across the northern half of the sky. These images are 5 second snapshots captured at 37.8 MHz with the LWA1 radio telescope. The bright steady sources (Cygnus A, Cassiopeia A, the galactic plane, etc) have been removed using image subtraction. Image Credit: Gregory Taylor (University of New Mexico)

At any given moment, it seems, the sky is sizzling with celestial phenomena waiting to be stumbled upon. New research using the Long Wavelength Array (LWA, a collection of radio dishes in New Mexico, found quite the surprise. Fireballs — those brilliant meteors that leave behind glowing streaks in the night sky — unexpectedly emit a low radio frequency, hinting at new unexplored physics within these meteor streaks.
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© Shannon Hall for Universe Today, 2014. |
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Post tags: meteors, Radio

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