Almost Three Tails for Comet Encke

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Astronomy Picture of the Day 2017 February 20 Image Credit & Copyright: Explanation: How can a comet have three tails? Normally, a comet has two tails: an ion tail of charged particles emitted by the comet and pushed out by the wind from the Sun, and a dust tail of

from Pocket https://apod.nasa.gov/apod/ap170220.html
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