What's in the name?
"In solar physics, a spicule is a dynamic jet of about 500 km diameter in the chromosphere of the Sun. It moves upwards at about 20 km/s from the photosphere. They were discovered in 1877 by Father Angelo Secchi of the Vatican Observatory in Rome.", Source: Wikipedia, http://en.wikipedia.org/wiki/Spicule_(solar_physics) Features:
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