Great Comet of 1819
... that the Great Comet of 1819 was the first comet analyzed using polarimetry, by François Arago?
... that the <b id="mwCVY"><a href="./Great_Comet_of_1819" id="mwCVc" rel="mw:WikiLink" title="Great Comet of 1819">Great Comet of 1819</a></b> was the first comet analyzed using <a href="./Polarimetry" id="mwCVg" rel="mw:WikiLink" title="Polarimetry">polarimetry</a>, by <a href="./François_Arago" id="mwCVk" rel="mw:WikiLink" title="François Arago">François Arago</a>?