How sun burn without oxygen?

It is well known to all that there is no oxygen in space and fire cannot burn without oxygen.

So, how sun burn without oxygen?- answer is that sun cannot burn without oxygen.

Due to the combination of an oxidants and fuel in a chemical process, fire takes place.

So oxygen from air is generally used to initiate a flame once a match is struck.

Due to the fusion of hydrogen atoms sun generates immense heat and light.

So due to these light and heat sun appears to be burning.

Check out more interesting sci/tech stories.