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primordial nucleosynthesis
(big-bang nucleosynthesis)

subject fact

primordial nucleosynthesis has synonym big-bang nucleosynthesis 2001-09-27 09:29:41.0
has definition The production of heavy nuclei from the fusion of lighter ones during the Big Bang. The infant universe consisted of only hydrogen, the lightest of all atomic nuclei, because any heavier nuclei would have come apart in the intense heat. All other elements would have to be formed later, in nucleosynthesis processes. It is believed that most of the helium, the next lightest element after hydrogen, was formed when the universe was a few minutes old has source: Lightman, A., Brawer, R. 1990 The Lives and Worlds of Modern Cosmologists, Harvard University Press, 2001-09-27 09:29:41.0
has definition The creation of elements that occurred just minutes after the Big Bang. According to standard theory, primordial nucleosynthesis gave the universe only five nuclei, all lightweight: hydrogen-1, hydrogen-2 (or deuterium), helium-3, helium-4, and lithium-7. has source: Croswell, K. 1995 The Alchemy of the Heavens, Anchor Books, 2001-09-27 09:29:41.0
has definition Production of atomic nuclei occurring during the first three minutes after the big bang. has source: Greene, B. 1999 The Elegant Universe, W.W. Norton and Co., New York, 2001-09-27 09:29:41.0
has definition The process, which took place between one second and 3-4 minutes after the beginning, in which the protons and neutrons of the primordial soup condensed to form the lightest atomic nuclei: Deuterium, Helium-3, Helium-4, and Lithium-7. See isotope and Lithium. has source: Guth, A.H. 1997 The Inflationary Universe, Addison-Wesley, 2001-09-27 09:29:41.0
is a kind of nucleosynthesis

fusion has antonym fission
produces energy
has product
has reaction probability
has catalyst
has reactant
has minimum temperature

physical process has domain physics 2001-09-27 09:29:38.0


primordial nucleosynthesis (big-bang nucleosynthesis)
subject			fact

primordial nucleosynthesis	has synonym big-bang nucleosynthesis
	has definition The production of heavy nuclei from the fusion of lighter ones during the Big Bang. The infant universe consisted of only hydrogen, the lightest of all atomic nuclei, because any heavier nuclei would have come apart in the intense heat. All other elements would have to be formed later, in nucleosynthesis processes. It is believed that most of the helium, the next lightest element after hydrogen, was formed when the universe was a few minutes old
	has definition The creation of elements that occurred just minutes after the Big Bang. According to standard theory, primordial nucleosynthesis gave the universe only five nuclei, all lightweight: hydrogen-1, hydrogen-2 (or deuterium), helium-3, helium-4, and lithium-7.
	has definition Production of atomic nuclei occurring during the first three minutes after the big bang.
	has definition The process, which took place between one second and 3-4 minutes after the beginning, in which the protons and neutrons of the primordial soup condensed to form the lightest atomic nuclei: Deuterium, Helium-3, Helium-4, and Lithium-7. See isotope and Lithium.
	is a kind of nucleosynthesis
fusion	has antonym fission
	produces energy
	has product
	has reaction probability
	has catalyst
	has reactant
	has minimum temperature
physical process	has domain physics