Sentence examples for hydrogen burning from inspiring English sources
noun
The nucleosynthesis process, in stars of less than 1.2 solar mass, in which hydrogen is converted to helium, deuterium and some lithium
This stage of core helium burning, however, lasts only about a hundredth of the time taken for core hydrogen burning.
A later ejection takes place with an enrichment of both nitrogen and helium, which also is produced by hydrogen burning.
17O is primarily made by the burning of hydrogen into helium during the CNO cycle, making it a common isotope in the hydrogen burning zones of stars.
The star is thought to be around 4.5 billion years old, and at or very near the end of its main-sequence hydrogen burning phase.
As a result of their hydrogen-rich envelopes, residual hydrogen burning via the CNO cycle may keep these white dwarfs hot on a long timescale.
Nitrogen-rich nebulae develop during an early episode when convection inside the star carries nitrogen, produced from carbon in a series of nuclear reactions (i.e., the carbon-nitrogen cycle of hydrogen burning), to the surface.
Hydrogen (H) "burning" initiates the fusion energy source of stars and leads to the formation of helium (He).
The designs of internal combustion vehicles with using hydrogen via burning, the designs of the fuel cell vehicles that using hydrogen by converting into electricity and their hybrid versions have been introduced.
The first is that fuel cells are a far more efficient way to use hydrogen than burning it.
The first category comprises stars that have exhausted the hydrogen in their cores and are burning hydrogen within a shell surrounding the core.
Since the only product of burning hydrogen is water, hydrogen-powered vehicles or machines would produce no pollution at all--not even the greenhouse gas carbon dioxide, if the hydrogen were made from renewable sources.
