The sun is made up of 98.5% hydrogen and helium, two light chemical elements, while the remaining 1.5% consists of other, heavier elements such as carbon, oxygen, and iron. The abundance of heavier elements in a star is called its metallicity, and varies from star to star.
The sun is made up of 98.5% hydrogen and helium, two light chemical elements, while the remaining 1.5% consists of other, heavier elements such as carbon, oxygen, and iron. The abundance of heavier elements in a star is called its metallicity, and varies from star to star.
Share this Article
Recommended