What are the elements that make up the north star?

The North Star, or Polaris, is primarily composed of hydrogen and helium, like most stars. It is classified as a supergiant star, specifically a type F7, indicating it is larger and hotter than the Sun. Polaris is in a late stage of stellar evolution, having expanded and cooled after exhausting the hydrogen in its core. Its brightness and position make it a crucial navigational reference in the northern hemisphere.