TU Muscae
... that the two stars of TU Muscae are so close they are in contact with each other?
... that the two stars of <b id="mwDuM"><a href="./TU_Muscae" id="mwDuQ" rel="mw:WikiLink" title="TU Muscae">TU Muscae</a></b> are so close they are in contact with each other?