a ring system
... that the minor planet Chariklo has a ring system , making it the smallest body known to be surrounded by rings?
... that the minor planet <a class="mw-redirect" href="./Chariklo" id="mwBkM" rel="mw:WikiLink" title="Chariklo">Chariklo</a> has <b id="mwBkQ"><a href="./Rings_of_Chariklo" id="mwBkU" rel="mw:WikiLink" title="Rings of Chariklo">a ring system</a></b> <i id="mwBkY">(artist's rendering pictured)</i>, making it the smallest body known to be surrounded by rings?