Kordylewski clouds
...that Kordylewski clouds are large concentrations of dust that orbit Earth at the distance of the Moon?
...that <b id="mwEA"><a class="mw-redirect" href="./Kordylewski_clouds" id="mwEQ" rel="mw:WikiLink" title="Kordylewski clouds">Kordylewski clouds</a></b> are large concentrations of dust that orbit <a href="./Earth" id="mwEg" rel="mw:WikiLink" title="Earth">Earth</a> at the distance of the <a href="./Moon" id="mwEw" rel="mw:WikiLink" title="Moon">Moon</a>?