How can stars burn without oxygen in space?

[MRCHEM]

how come stars burn at space if there is no oxygen in space?

 

[EL]

how come stars burn at space if there is no oxygen in space?

Stars do not "burn" in the same way as a fire.
Stars "burn" thanks to fusion processes, see e.g.
http://en.wikipedia.org/wiki/Nuclear_fusion#Astrophysical_reaction_chains

 

[MRCHEM]

and also the sun?

 

[berkeman]

Yes. The sun is our local star.

 

[MRCHEM]

oooh fusion yess.. what's that i can't understand the link above

 

[chroot]

Nuclear fusion is the process of combining light nuclei, like hydrogen, into heavier nuclei, like helium. The process releases energy.

- Warren