Comet Encke: A solar windsock observed by NASA's STEREO
Greenbelt MD (SPX) Oct 14, 2015 - Much like the flapping of a windsock displays the quick changes in wind's speed and direction, called turbulence, comet tails can be used as probes of the solar wind - the constant flowing stream of material that leaves the sun in all directions. According to new studies of a comet tail observed by NASA's Solar and Terrestrial Relations Observatory, or STEREO, the vacuum of interplanetary ... more
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