Thursday, May 18, 2017

Anthropogenic Space Weather

Space Weather News for May 18, 2017
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ANTHROPOGENIC SPACE WEATHER: A new study just published in the journal Space Science Reviews outlines some of the surprising ways human activity can affect space weather. A key example involves VLF radio waves, which are used to communicate with submarines. These waves have formed an unintentional bubble around our planet, clearing out "killer electrons" from Earth's radiation belts. Learn more on today's edition of Spaceweather.com.

SOLAR WIND STORM PREDICTED: The solar wind around Earth is about to speed up. Velocities could top 700 km/s on May 19th when a stream of gaseous material flowing from a hole the sun's atmosphere reaches our planet. G2-class geomagnetic storms and high-latitude auroras are possible on May 19th and 20th. Stay tuned to Spaceweather.com for updates.

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Above: Very Low frequency (VLF) radio waves that can penetrate seawater to communicate with submarines have formed a bubble around Earth, affecting the structure of the Van Allen radiation belts. NASA video.
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