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The Sun is a main-sequence star, and, as such, generates its energy by nuclear fusion of hydrogen nuclei into helium. In its core, the Sun fuses 620 million metric tons of hydrogen and makes 616 million metric tons of helium each second. The fusion of lighter elements in stars releases energy and the mass that always accompanies it.
The Sun's core temperature, at which PP is more efficient In astrophysics , stellar nucleosynthesis is the creation of chemical elements by nuclear fusion reactions within stars . Stellar nucleosynthesis has occurred since the original creation of hydrogen , helium and lithium during the Big Bang .
Logarithm of the relative energy output (ε) of proton–proton (PP), CNO and Triple-α fusion processes at different temperatures (T). The dashed line shows the combined energy generation of the PP and CNO processes within a star. At the Sun's core temperature of 15.5 million K the PP process is dominant.
For decades, scientists across the globe have attempted to replicate the Sun’s nuclear fusion processes in hopes of providing humanity with a limitless, clean energy source.
China’s HL-3 tokamak generated a magnetic field, marking a major milestone in fusion research. It places China among the leaders in nuclear fusion technology.
Scientists have achieved record breaking temperatures within an ‘artificial sun’ reactor, marking a major advance in the development of nuclear fusion energy.. The new world record saw a ball ...
The Sun is the star at the center of the Solar System.It is a massive, nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core, radiating the energy from its surface mainly as visible light and infrared radiation with 10% at ultraviolet energies.
Nuclear fusion, the process that powers the sun and other stars, occurs when two atoms’ nuclei collide under extreme temperatures, causing a reaction that can generate incredible amounts of ...