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The final elements fused in a star of the mass of our Sun are Oxygen then Carbon. Therefore a white dwarf core could be regarded as a solid, gigantic diamond.
IRON
If there is no hydrogen left at the core of star then hydrogen fusion cannot occur. What happens in the core of a star before that happens is that helium begins to fuse, and then the other elements going up the periodic table until carbon. And then if the star explodes into a supernova, traces of the higher elements are fused as well.
When almost all of the hydrogen atoms within its core have fused into helium atoms. Source: holt earth science
Helium ash is merely helium. Helium is commonly referred to as ash in discussions of our sun's fuel (and others stars of similar size/composition) to indicate that it cannot burn (or really cannot be fused into a larger atomic element). Our sun fuses hydrogen into helium at its core but the temperatures and pressures are not high enough to fuse helium, so it is called ash. If the core had a higher temperature/pressure, the helium would be fused into a larger element (carbon), something that happens with more massive stars. In such a star it would not be called ash because the conditions would be such that it could be fused ("burned"), so it would merely be called helium.
The final elements fused in a star of the mass of our Sun are Oxygen then Carbon. Therefore a white dwarf core could be regarded as a solid, gigantic diamond.
We understand that hydrogen atoms are fused into helium in the sun's core.
When hydrogen is fused in the suns core Helium is produced.
Nuclear Fusion in a Giant Star involves Helium being fused into a hydrogen shell that surrounds the core, and Nuclear Fusion in a Main-Sequence star involves Hydrogen being fused into Helium to produce Energy inside of the core.
Nuclear Fusion in a Giant Star involves Helium being fused into a hydrogen shell that surrounds the core, and Nuclear Fusion in a Main-Sequence star involves Hydrogen being fused into Helium to produce Energy inside of the core.
IRON
the core of the sun is a seething nuclear furnace where millions of tons of hydrogen are being fused in to helium every second.
Hydrogen into Helium.
The only element he has an affinity for is wind, which he has fused with the rasengan.
The star "burns out" because iron cannot be fused. What happens then depends on the star's remaining mass:low - white dwarfmed. - neutron starhigh - black hole
If there is no hydrogen left at the core of star then hydrogen fusion cannot occur. What happens in the core of a star before that happens is that helium begins to fuse, and then the other elements going up the periodic table until carbon. And then if the star explodes into a supernova, traces of the higher elements are fused as well.
While it is still a star? Iron. Everything heavier must be fused from lighter elements in a supernova explosion, which blows the star apart.