Bottom line: Dynamic bubbles of ionization in Earth’s upper atmosphere can cause GPS signals to “twinkle” like stars, affecting the quality of navigation on Earth below. New video from NASA.
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Bottom line: Dynamic bubbles of ionization in Earth’s upper atmosphere can cause GPS signals to “twinkle” like stars, affecting the quality of navigation on Earth below. New video from NASA.
Enjoying EarthSky? Sign up for our free daily newsletter today!
from EarthSky http://ift.tt/1XUYBuI
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