A team of researchers and scientists have detected and observed elusive neutrinos produced via a fusion of protons deep inside the core of the sun.

Much of the sun's energy comes from these proton reactions and is believed to be the initiators of this fusion process.

As hydrogen fuses with helium, a proton to proton fusion occurs where these neutrinos are produced. This process takes place in the sun's interior where it drives 99 percent of its power.

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Neutrinos are created as radioactive decay of various elements and occurs along with nuclear processes within the sun.

These neutrinos fly off from the surface of the sun and hit the Earth's atmosphere and other planetary bodies in the solar system.

The neutrinos were detected during the Borexino experiment at the Gran Sasso National Laboratory in Italy.

The Borexino instrument is located underground in the Apennine Mountains. It's the only neutrino detector in the world capable of observing all spectra of different neutrinos.

Earth and the space surrounding it are teeming with neutrinos that elude detection by virtue of being astonishingly minute and unresponsive.

Particles at this level can only be detected through radiation when they come in contact with other particles.

Calculations suggest there are about 40 billion of these "invisible" neutrinos within a cubic centimeter in the atmosphere and they continue to constantly stream from the sun.

Occasionally, as they collide with an atom, neutrinos knock off an electron revealed in a quick flash of light that becomes visible to the Borexino's extremely sensitive detectors.

Scientists can now compare different types of solar energy with this ability to measure and detect neutrinos and view a series of reactions from the sun's core.

This enables scientists to gather experimental information about the sun's thermodynamic equilibrium in a 100,000-year timescale.

This study was published in the most recent issue of the journal, Nature.

TagsScientists Reveal Sun's Core and Source of Power, neutrinos, what are neutrinos, borexino, sun's energy, what powers the sun, sun core energy, heart of the sun, pp fusion, sun power, sun source of power