In order to predict whether a star will eventually fuse oxygen into a heavier element, what you need to know about the star is: its mass.
A star can be defined as a giant astronomical or celestial object containing a luminous sphere of plasma and bounded together by its own gravitational force.
Generally, a star typically comprises two (2) main hot gases and these are:
I. Hydrogen (H).
II. Helium (He).
In Astronomy, a main sequence refer to stars that can fuse hydrogen atoms in its core, to form helium atoms.
During a star formation, the star runs out of hydrogen and turns into a white dwarf, a planetary nebula, or even a supernova, depending on its mass.
Hence, it's very important to know the mass of a star, so as to predict whether a star will eventually fuse oxygen into a heavier chemical element.
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