Delta Canis Majoris
... that if the remote supergiant Delta Canis Majoris were as close to us as Sirius, it would be as bright as a half-full moon?
... that if the remote <a href="./Supergiant" id="mwF-Q" rel="mw:WikiLink" title="Supergiant">supergiant</a> <b id="mwF-U"><a href="./Delta_Canis_Majoris" id="mwF-Y" rel="mw:WikiLink" title="Delta Canis Majoris">Delta Canis Majoris</a></b> were as close to us as <a href="./Sirius" id="mwF-c" rel="mw:WikiLink" title="Sirius">Sirius</a>, it would be as bright as a half-full moon?