Pi1 Gruis
... that the spectrum of the red star Pi1 Gruis shows the presence of such elements as technetium, zirconium, lanthanum, cerium and yttrium?
... that the spectrum of the red star <b id="mwAwo"><a href="./Pi1_Gruis" id="mwAws" rel="mw:WikiLink" title="Pi1 Gruis">Pi<sup id="mwAww">1</sup> Gruis</a></b> shows the presence of such elements as <a href="./Technetium" id="mwAw0" rel="mw:WikiLink" title="Technetium">technetium</a>, <a href="./Zirconium" id="mwAw4" rel="mw:WikiLink" title="Zirconium">zirconium</a>, <a href="./Lanthanum" id="mwAw8" rel="mw:WikiLink" title="Lanthanum">lanthanum</a>, <a href="./Cerium" id="mwAxA" rel="mw:WikiLink" title="Cerium">cerium</a> and <a href="./Yttrium" id="mwAxE" rel="mw:WikiLink" title="Yttrium">yttrium</a>?