Results for: metallicity

How long will it take for a star to explode?

It will all depend on it's mass, temperature and metallicity. The larger the star, the shorter it's life span will be. It can be millions to billions of years. Not all stars explode, some will just shred their outer layers… Full Answer

What are stars made of?

Stars are made mostly of hydrogen and helium in the plasma state. Traces of heavier elements can also be found. When stars form, they are composed of approximately 70% hydrogen and 28% helium, the remaining fraction is heavier elements (metallicity)… Full Answer

Why are supernova important?

According to the big bang theory [See Link - Big Bang] only the elements hydrogen, helium and a small amount of lithium were created. Around 400 million years after the big bang, the first stars were born. Classified as population… Full Answer