Sextans B
... that Sextans B is one of the smallest galaxies in which planetary nebulae have been detected?
... that <b id="mwGT0"><a href="./Sextans_B" id="mwGT4" rel="mw:WikiLink" title="Sextans B">Sextans B</a></b> is one of the smallest galaxies in which <a href="./Planetary_nebula" id="mwGT8" rel="mw:WikiLink" title="Planetary nebula">planetary nebulae</a> have been detected?