Is purple star bigger or Polaris bigger?

In fact, both belong to the same star, and the full name of this star is the center of the sky where the Arctic purple star is located; Also known as celestial purple MSI and royal star, Taoism says that purple MSI is the most powerful in heaven (this statement is similar to history, and the so-called heaven is the ancient central dynasty; In feudal society, the emperor was considered as a purple star. In mythology, the purple star was one of the five emperors. Just one of the assistants of the Central Jade Emperor, Ji Boyi's assessment in the list of gods was named the Great Emperor Wei Zi of Zhongtian Arctic (the North Star)