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Nuclear fusion, converting hydrogen nuclei into helium nuclei.
Supernova
Supernova
STAR
A black hole or a neutron star, depending on the mass of the remaining core. Also a lot of material is ejected into space.
Nuclear fusion, converting hydrogen nuclei into helium nuclei.
Nuclear fusion, converting hydrogen nuclei into helium nuclei.
a star
fusion of hydrogen atoms into helium atoms
fusion of hydrogen atoms into helium atoms
at 20 million degrees fahrenheit the hydrogen within the star ignites and burns in a continuing series of nuclear reactions . the onset of these reactions marks the birth of a star
In the center where the pressure and temperature are highest
The rest of the star expands.
Nuclear fusion, in the star's core.Nuclear fusion, in the star's core.Nuclear fusion, in the star's core.Nuclear fusion, in the star's core.
Temperatures in the star's core can reach 3x109 K.
A star's core consists mostly of hydrogen. As the star ages, the amount of helium, carbon and other elements in the core increases as they are the result "ash" resulting from the consumption of the hydrogen fuel.
the high mass star's core collapse because its gravity