W Serpentis
... that W Serpentis is a binary star system in which one star is transferring large amounts of material to the other?
... that <b id="mwB00"><a href="./W_Serpentis" id="mwB04" rel="mw:WikiLink" title="W Serpentis">W Serpentis</a></b> is a binary star system in which one star is transferring large amounts of material to the other?