Redrawn from English wikipedia.
<p>Caption: Comets have highly elliptical orbits. They have two distinct tails:
</p>
<ol><li>Ion tail</li>
<li>Dust tail</li></ol><b>This isn't rendering correctly, and so is unusable</b> 08:57, 13 April 2007 (UTC)
<a href="//commons.wikimedia.org/wiki/User:Fredrik" title="User:Fredrik">Fredrik</a>
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