Theta Muscae
... that the star Theta Muscae turned out to be a triple system whose central star has blown off its outer hydrogen layer?
... that the star <b id="mwBaI"><a href="./Theta_Muscae" id="mwBaM" rel="mw:WikiLink" title="Theta Muscae">Theta Muscae</a></b> turned out to be a <a class="mw-redirect" href="./Triple_star" id="mwBaQ" rel="mw:WikiLink" title="Triple star">triple system</a> whose central star has blown off its outer hydrogen layer?