http://hosting.astro.cornell.edu/academics/courses/astro201/hydrogen_burn.htm

Hydrogen burning is the fusion of 4 hydrogen nuclei (protons) into a single helium ... Exactly which reactions take place in a given star depends on its mass, and ...

http://curious.astro.cornell.edu/our-solar-system/84-the-universe/stars-and-star-clusters/nuclear-burning/403-how-can-a-star-burn-with-no-oxygen-beginner

Jun 27, 2015 ... It should be noted that in the presence of carbon, nitrogen and oxygen, stars heavier than the Sun may burn hydrogen to helium by using the C, ...

https://en.wikipedia.org/wiki/Stellar_nucleosynthesis

Stellar nucleosynthesis is the theory explaining the creation (nucleosynthesis) of chemical ... This final burning in massive stars, called explosive nucleosynthesis or supernova nucleosynthesis, is the final epoch of stellar nucleosynthesis. ... proposed that stars obtained their energy from nuclear fusion of hydrogen to form  ...

http://www.jinaweb.org/docs/Nuclear%20Astrophysics-III.pdf

Hydrogen in induced reaction have lowest. Coulomb barrier ⇒ highest reaction rate. Hydrogen burning provides energy production in. “Main Sequence Stars” in  ...

https://astronomy.stackexchange.com/questions/11594/what-is-the-largest-hydrogen-burning-star

O-type main sequence stars are known and these have both larger ... on the main sequence (when they are burning hydrogen in their cores).

https://science.howstuffworks.com/star5.htm

Large stars tend to have higher core temperatures than smaller stars. Therefore, large stars burn the hydrogen fuel in the core quickly, whereas, small stars burn ...

http://abyss.uoregon.edu/~js/ast122/lectures/lec16.html

A star's evolution after the red giant phase depends on its mass. For stars greater than 1 solar mass, but less than 2 solar masses, the hydrogen burning shell ...

https://www.space.com/22437-main-sequence-stars.html

Feb 24, 2018 ... Eventually, a main sequence star burns through the hydrogen in its core, reaching the end of its life cycle. At this point, it leaves the main ...

http://astronomy.swin.edu.au/cosmos/S/stellar+evolution

At this point, hydrogen is converted into helium in the core and the star is born onto the main sequence. For about 90% of its life, the star will continue to burn ...

https://www.thoughtco.com/why-stars-burn-and-star-death-2698853

Aug 1, 2018 ... Learn how a star's life begins, why stars burn, what happens when a star dies, ... This gas is mostly hydrogen, because it's the most basic and ...