C. stellar nucleosynthesis with a small contribution from the Big Bang. Because most of the refined helium supplied to the world originates in the United States (over 75 percent in 2008), this section focuses on that network. In fact, when one simply ignores this interaction, the two-particle No. Helium originates from A. stellar nucleosynthesis only. from the helium Hamiltonian originates from the Coulombic interaction term between electrons 1 and 2. Figure 2.2 shows a simplified schematic of the U.S. helium supply chain. There is absolutely no chance of that. The nucleon-to-photon ratio determines how many of each element and isotope existed after the Big Bang, with about 25% helium. E. radioactive decay of heavier elements only. If Earth's protective upper layer is 500-2000 c warm is there a chance that a thick Co2 layer creates helium necessary to cool Earth through the Thermosphere? Across the universe, helium is the second most common element after hydrogen. The first heavy element created by stars, carbon mostly originates within red giants. About 28% is helium, with 25% formed in the Big Bang and 3% from stellar fusion. ____ 4. The energy from the Sun - both heat and light energy - originates from a nuclear fusion process that is occurring inside the core of the Sun.The specific type of fusion that occurs inside of the Sun is known as proton-proton fusion.. Olbers’ paradox is an apparently simple question, but its resolution suggests that the universe is finite in age. D. the Big Bang with a small contribution from stellar nucleosynthesis. [+] isotopes: deuterium, helium-3, and helium-4. ____ 3. Most of this helium originates from a brief period a couple of minutes after the Big Bang, when temperatures cooled enough for small clusters of subatomic particles to form the first atomic nuclei. B. the Big Bang only. The mechanism producing population inversion and light amplification in a He-Ne laser plasma originates with inelastic collision of energetic electrons with ground-state helium atoms in the gas mixture. A higher ratio of helium-3 to helium-4 therefore indicates that a sample of helium gas originates from the mantle rather than the crust. Helium.