Cassiopeia is a northern hemispheric constellation which means it can't be seen easily or at all from the southern hemisphere. The brightest star in Cassiopeia is Schedar. There are 13 Extrasolar Planets (Exoplanets) in this constellation that are detailed on this site.
King Solomon lived to be 80 years old. King Solomon is most known  for asking for and receiving the gift of 'wisdom' to rule God's  peoples.
People are regularly shocked when I say that there is no archeological evidence that David or Solomon ever existed. The stories about them and the other kings, queens, prophets, heroes of ancient Israel are the stuff of ripping yarns.