Reply #1 on: 04/12/2009 20:10:48 . But we, and Earth, and all other objects including elements other than hydrogen and helium, are made of heavier elements, so a major question for scientists is how these heavier elements The big bang is how astronomers explain the way the universe began. The isotopes produced during the big bang nucleosynthesis were H-1, H-2, H-3, H-4, L-7. The big bang and the Bible certainly do not agree about the past.. References and notes. Physics. The light elements that formed after the big bang were helium, deuterium, and trace amounts of lithium and beryllium. Flashes of Creation: George Gamow, Fred Hoyle, and the Great Big Bang Debate Paul Halpern Basic Books, 2021. Science. The big bang is how astronomers explain the way the universe began. But when the universe began with a big bang, it started out with no elements at all. %3E Q: Did energy develop during the Big Bang? A: We dont know. We cannot see that far back, and in fact our theoretical predictions end at about The remainder of the chemical elements, except for a tiny amount of lithium, were forged in stellar interiors, supernova explosions, and neutron-star mergers. Which of the following elements were created in the Big Bang (the very early Universe before the first stars)? Helium atoms then fuse to create beryllium, and so on, until fusion in the star's core has created every element up Where did the material come from that created the Big Bang, and what happened in the first instance to create that material? This would only be consistent with the big bang theory if the big bang occurred at the position of the observer. The Big Bang Theory is a theory that seeks to explain the beginning of the universe. the Big Bang nucleosynthesis theory states that _____ elements were produced in the first few minutes of the Big Bang while _____ elements have their origins in the interiors of stars, forming much later in the history of the Universe. The most abundant elements in the universe are hydrogen and helium. The creation of what element signals the death of a star? After quite some time, hydrogen began to form, and it is the main constituent of stars. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as However our research has revealed it wasnt turbulent but actually a slow process where hot spots of energy were localised and trapped, resulting in the formation of, for ; Compton scattering means that a photon collides with an electron, imparting some energy to the electron which recoils, while another photon carrying the remaining energy (so a lower frequency) is emitted at an angle from the original so momentum 1, 2 & 3), and these atoms were formed by the combination of the quarks and electrons produced by the decay of inflaton particles during the inflationary epoch of the universe, as the inflaton field underwent a phase change from a high-energy phase to a low-energy one. 3. However, in this compact and extremely hot area it was possible for nucleosynthesis to occur. Most of the hydrogen and helium in the Universe were created in the moments Vol 373, Issue 6557. p. 861. The Big Bang also churned out helium, the next lightest element. Which of the following sets of elements is primordial; or, created during the Big Bang? Published: 2 September 2012 (GMT+10) Todays feedback deals with some aspects of big bang theory, such as the origin of the chemical elements, the Cosmic Microwave Background Radiation (CMBR), and the expansion of the universe. But on May 2, 1952, an astronomer reported spotting new elements coming from an old star and changed our origin story. For a brief moment after the Big Bang, the immense heat created conditions unlike any conditions astrophysicists see in the universe today. While planets and stars today are composed of Physics questions and answers. After about 20 minutes, the universe had expanded and cooled to a point at Helium-4 and Dwarf Galaxies. Gravity eventually caused the high-density areas to coalesce into stars and galaxies, which became luminous due to nuclear reactions in their cores. Nucleosynthesis is the process that creates new atomic nuclei from pre-existing nucleons (protons and neutrons) and nuclei. 30. The predicted abundances of helium-4, deuterium, helium-3 and 3.2 - The Formation of Elements 4.0 - Discovery of the Galaxy 5.0 - Age and Origin of the Solar System 6.0 - Methods of Observational The Big Bang and the Standard model of the Universe for 8.5 The the air we breathe and the gas in the Sun is composed is combinations of fundamental particles that were created during Light chemical elements were created within the first three minutes of the universe's formation. It is now known that the elements observed in the Universe were created in either of two ways. The process in which new atomic nuclei are made is called nucleosynthesis the fusing of nuclei. You don't have any helium in you, unless you just sucked the gas out of a birthday balloon. Hydrogen is here, whose nucleus is composed of just one proton and nothing else. According to the model I looked at, the big bang produced giant clouds comprised of almost exclusively hydrogen and helium, and from these clouds formed galaxies and the
These came into existence around one ten-thousandth of a second after the Big Bang. The lightest elements were created right after the Big Bang, from the plasma of crystalizing sub-atomic particles. At the beginning of the Big Bang there may have only been one or more scalar energy fields. At the end of the inflation epoch, some [math]10^{-32} Carbon is the 4th most abundant element in the Universe today. 19 Aug 2021. Return to text. %3E Q: What elements were produced during the Big Bang (He, O, Fe, Si)? A: If you by the Big Bang mean the time where the universe came to be, no These are Hydrogen, Helium, and Lithium. During the formation of the universe some 14 billion years ago in the so-called Big Bang , only the lightest elements were formed Terms in this set (13) Elements created during the Big Bang. First: Hydrogen and Second: Helium. Well, the Big Bang only formed 3 elements (the rest were formed in stars and supernovae). The electrons of the hull of atoms in parts formed during the big bang, part of them come into existence, when neutrons decay to protons. That's the conclusion a team of Canadian scientists reached after extrapolating the laws of the universe both before and after the Big Bang. In the beginning, or at least following the Big Bang more than 14 billion years ago, there was hydrogen, some helium and a little bit of The only element that was formed in the big bang was hydrogen. (hydrogen, helium, lithium), since the beginning of the Universe, or have been made in various stars. The lighter elements, such as helium and hydrogen, were produced in the first few moments of the Big Bang. What made us believe the Big Bang is the start?Redshift of Galaxies Back in 1912, Vesto Slipher used the Redshift of galaxies to calculate the speed and the direction of galaxies. Abundance of Elements Studies prove that at a very beginning, the universe was similar to a Star. Cosmic Microwave Background Radiation CMBR) The model describes how the universe expanded from an initial state of high density and temperature, and offers a comprehensive explanation for a broad range of observed phenomena, includi This is what astronomers observe when scanning the sky. Primordial nucleosynthesis is believed by most cosmologists to have taken place in the interval from roughly 10 second No elements were formed in the big bang. The Bible tells us that the earth was created as a paradise; the secular model teaches it was created as a molten blob. The earliest stars were mostly made up of just two elements: hydrogen and helium, which are still the most common elements in the universe. What elements were created in the Big Bang? The universe began with a bang. Like a mountain looming over a calm lake, it seems the universe may once have had a perfect mirror image. The lightest elements in the Universe were created in the early stages of the hot Big Bang, where raw protons and neutrons fused together to form isotopes of hydrogen, And they are the only chemical elements that existed right after the big bang. Scientists know enough to say with some certainty what light; heavier . BIG BANG The early universe (left) was too hot for electrons to remain bound to atoms. J. of Creation 18(2):1113, 2004. For a brief moment after the Big Bang, the immense heat created conditions unlike any conditions astrophysicists see in the universe today. We dont know. And in the current state of our knowledge, we dont even know how to find out, But I dont know, therefore God is an obvious falla Physicists have a pretty good idea of the structure of the universe just a couple of seconds after the Big Bang, moving During the formation of the universe some 14 billion years ago in the so-called Big Bang, only the lightest elements were formed hydrogen and helium along with trace amounts of lithium and beryllium. The first elements hydrogen and helium couldnt form until the universe had cooled The lightest elements (hydrogen, helium, deuterium, lithium) were produced in the Big Bang nucleosynthesis. People long assumed all the elements we see now were created during the Big Bang. 304 pp. These elements were not evenly distributed throughout space, and under the influence of gravity they began to "clump" to form more concentrated volumes. During the formation of the universe some 14 billion years ago in the so-called 'Big Bang', only the lightest elements were formed hydrogen and helium along with trace amounts of lithium and beryllium. This is one of the most fundamental questions facing astronomers. Stellar formation and evolution formed the elements heavier than Be to Fe. Origin of Heavier Elements Heavy elements were formed only billions of years after the formation of stars. The Big Bang is not a model of creation, but a theory that explains what we see of the universe's long history without direct evidence, any predictions for time = 0 are more The process through which the big bang had created hydrogen and helium in the early universe is known as the Big Bang Nucleosynthesis. During the formation of the universe in the big bang, only the lightest elements were formed: hydrogen, helium, lithium, and beryllium. From a certain archaic point of view, this makes sense. These are Hydrogen, Helium, and This theory entails an extremely rapid expansion of the universe in the first few moments of its existence. Most scientists believe that the percentage of Hydrogen and Helium has remained the same since the big bang so this should explain the current ratio of hydrogen and helium. First hydrogen and then helium The creation of what element signals the death of star? Hundreds of millions of years later in stellar nebulae, the hydrogen gas clouds coalesce and, under gravity, form protostars. According to current theories, the first nuclei were formed a few minutes after the Big Bang, through nuclear reactions in a process called Big Bang nucleosynthesis. On the other hand, beryllium-7 was unstable and decayed spontaneously to lithium-7. The universe began with a bang. Light elements (namely deuterium, helium, and lithium) were produced in the first few minutes Immediately after the Big Bang, before the first stars in the Universe ever formed, the Universe consisted of hydrogen (element #1), helium (element #2), and pretty much Viewed 6k times. Our sun also produces helium and After three minutes, the hot Universe fused those nucleons into helium and a tiny bit of lithium, but no further. Elements and the Big Bang theory. Putting it all together. Big bang nucleosynthesis formed the light elements (H, He, and Li). But we, and Earth, and all other objects including elements other than hydrogen and helium, are made of heavier elements, so a major question for scientists is how these heavier elements were created. Also, if the galaxies are moving away now, we can assume that they were closer to each other in the past. Understanding where the chemical elements came from. Cosmologists have predicted that stars didn't form for another 180 million years. Hydrogen and helium Hydrogen, oxygen, and carbon Carbon, nitrogen, oxygen, and phosphorous Only hydrogen was created during the Big Bang. Most science textbooks that address cosmology credit Arno Penzias and Robert Wilson with the discovery that the universe arose from a hot big bang creation event. As described above, only the lightest elements were created in the big bang itself. And helium, which is made of two protons and two neutrons. Deuterium, helium-3, helium-4, and lithium-7 were stable. Nuclear fusion processes begin converting hydrogen into helium. The observations were made with an ultraviolet telescope flown on the space shuttle Endeavour in March. but it turns out at the very beginning of the universe, at the big bang They were only hydrogen and helium. As quark-gluon soup condensed into neutrons and protons, and these cooled enough to take on electrons, the first elements formed were hydrogen and Those elements were made long after the Big Bang, by nuclear fusion in the hot, dense cores of stars. The Bible says that earth was created before the stars and that trees were created before the sun.1 However, the big-bang view teaches the exact opposite. For about three minutes, heli Gamow theorized that elements were created by the heat of the big bang. Further Information. Stellar explosion , or supernova, formed the elements heavier than Fe. (Image credit: Shutterstock) The Big Bang theory It has long been theorized that hydrogen, helium, and lithium were the only chemical elements in existence during the Big Bang when the universe formed, and t The light elements that formed after the big bang were helium, deuterium, and trace amounts of lithium and beryllium. In the beginning, there were three elements. Once the universe was created by the Big Bang, the only abundant elements present were hydrogen (H) and helium (He). Peter, 80, Many people dont realize As the cloud of cosmic dust and gases from the Big Bang cooled, stars formed, and these then grouped together to form galaxies. In the Big Bang, it was space that exploded. Here is a poem I wrote about it. (My favorite paragraph is the last onebut dont skip ahead.) If some Hartnett, J.G., Echoes of the big bang or noise? The only elements formed during the Big Bang were hydrogen and helium, with a little lithium (elements nos. So lets think further back.
Big bang nucleosynthesis is the process of light element formation. What elements were produced during the Big Bang (He, O, Fe, Si)? None, as the Big Bang was the hot dense state, everywhere, which was too hot for e All of the hydrogen and most of the helium in the universe emerged 13.8 billion years ago from the Big Bang. The identified cells were found to have the characteristics of recently activated cells, which were in the process of developing into fully functional T cells. We may have discovered the cellular big bang of MS here precursor cells that give rise to disease-causing T cells, Becher says.
Once the universe was created by the Big Bang, the only abundant elements present were hydrogen (H) and helium (He). The Big Bang produced mostly hydrogen and helium, with only trace amounts of other light elements (e.g., lithium) and no heavy In physical cosmology, Big Bang nucleosynthesis (abbreviated BBN, also known as primordial nucleosynthesis) is the production of nuclei other than those of the lightest isotope of hydrogen (hydrogen-1, H, having a single proton as a nucleus) during the early phases of the Universe.
Origin of the elementsBible vs the big bang. As this dissipated, subatomic particles and atoms were created. The table shows which elements were produced by the Big Bang, which were produced by exploding massive stars (supernovae), or dying low-mass stars or merging neutron stars, for instance. Iron (Fe) List an element that was created during a Deuterium and high-redshift quasars. the environment in which that element Big Bang The Big Bang created all the matter and energy in the Universe. In 1948, George Gamow, Ralph Alpher, and Robert Herman studied the nucleosynthesis of light elements in the Big Bang.
At that point, around three quarters of the material in the universe was hydrogen atoms and the remaining quarter was helium atoms. According to the Big Bang theory, the temperatures in the early universe were so high that fusion reactions could take place. 3.2 - The Formation of Elements 4.0 - Discovery of the Galaxy 5.0 - Age and Origin of the Solar System 6.0 - Methods of Observational Astronomy 7.0 - The Life-Giving Sun 8.0 - Planets of the Solar System 9.0 - The Earth in Space 10.0 - The Search for Extrasolar Planets Hydrogen and helium Hydrogen, oxygen, and carbon Carbon, nitrogen, oxygen, Lithium-7. The first long-lived matter particles of any kind were protons and neutrons, which together make up the atomic nucleus. Astronomers first observed the CMB in 1965, and it quickly created problems for the Big Bang theory -- problems that were subsequently addressed (for a while) in 1981 with the inflation theory. The process in which new atomic nuclei are made is called nucleosynthesis the fusing of nuclei. The Big Bang is commonly presented as though it were the beginning of everything: space, time, and the origin of matter and energy. 2. Big Bang nucleosynthesis (BBN) began when the universe had cooled sufficiently that protons and neutrons, which had just formed from the primordial plasma, were able to As the Universe expanded, lumpiness developed, and regions of more-dense and less-dense gas formed. The Big Bang theory is the prevailing cosmological model explaining the existence of the observable universe from the earliest known periods through its subsequent large-scale evolution. Before that point, there was really no material in any familiar sense of the word. KEY POINTS Pieces of evidence that support the big bang theory are redshift, cosmic microwave background radiation, and abundance of light elements.
These came into existence around one ten-thousandth of a second after the Big Bang. The lightest elements were created right after the Big Bang, from the plasma of crystalizing sub-atomic particles. At the beginning of the Big Bang there may have only been one or more scalar energy fields. At the end of the inflation epoch, some [math]10^{-32} Carbon is the 4th most abundant element in the Universe today. 19 Aug 2021. Return to text. %3E Q: What elements were produced during the Big Bang (He, O, Fe, Si)? A: If you by the Big Bang mean the time where the universe came to be, no These are Hydrogen, Helium, and Lithium. During the formation of the universe some 14 billion years ago in the so-called Big Bang , only the lightest elements were formed Terms in this set (13) Elements created during the Big Bang. First: Hydrogen and Second: Helium. Well, the Big Bang only formed 3 elements (the rest were formed in stars and supernovae). The electrons of the hull of atoms in parts formed during the big bang, part of them come into existence, when neutrons decay to protons. That's the conclusion a team of Canadian scientists reached after extrapolating the laws of the universe both before and after the Big Bang. In the beginning, or at least following the Big Bang more than 14 billion years ago, there was hydrogen, some helium and a little bit of The only element that was formed in the big bang was hydrogen. (hydrogen, helium, lithium), since the beginning of the Universe, or have been made in various stars. The lighter elements, such as helium and hydrogen, were produced in the first few moments of the Big Bang. What made us believe the Big Bang is the start?Redshift of Galaxies Back in 1912, Vesto Slipher used the Redshift of galaxies to calculate the speed and the direction of galaxies. Abundance of Elements Studies prove that at a very beginning, the universe was similar to a Star. Cosmic Microwave Background Radiation CMBR) The model describes how the universe expanded from an initial state of high density and temperature, and offers a comprehensive explanation for a broad range of observed phenomena, includi This is what astronomers observe when scanning the sky. Primordial nucleosynthesis is believed by most cosmologists to have taken place in the interval from roughly 10 second No elements were formed in the big bang. The Bible tells us that the earth was created as a paradise; the secular model teaches it was created as a molten blob. The earliest stars were mostly made up of just two elements: hydrogen and helium, which are still the most common elements in the universe. What elements were created in the Big Bang? The universe began with a bang. Like a mountain looming over a calm lake, it seems the universe may once have had a perfect mirror image. The lightest elements in the Universe were created in the early stages of the hot Big Bang, where raw protons and neutrons fused together to form isotopes of hydrogen, And they are the only chemical elements that existed right after the big bang. Scientists know enough to say with some certainty what light; heavier . BIG BANG The early universe (left) was too hot for electrons to remain bound to atoms. J. of Creation 18(2):1113, 2004. For a brief moment after the Big Bang, the immense heat created conditions unlike any conditions astrophysicists see in the universe today. We dont know. And in the current state of our knowledge, we dont even know how to find out, But I dont know, therefore God is an obvious falla Physicists have a pretty good idea of the structure of the universe just a couple of seconds after the Big Bang, moving During the formation of the universe some 14 billion years ago in the so-called Big Bang, only the lightest elements were formed hydrogen and helium along with trace amounts of lithium and beryllium. The first elements hydrogen and helium couldnt form until the universe had cooled The lightest elements (hydrogen, helium, deuterium, lithium) were produced in the Big Bang nucleosynthesis. People long assumed all the elements we see now were created during the Big Bang. 304 pp. These elements were not evenly distributed throughout space, and under the influence of gravity they began to "clump" to form more concentrated volumes. During the formation of the universe some 14 billion years ago in the so-called 'Big Bang', only the lightest elements were formed hydrogen and helium along with trace amounts of lithium and beryllium. This is one of the most fundamental questions facing astronomers. Stellar formation and evolution formed the elements heavier than Be to Fe. Origin of Heavier Elements Heavy elements were formed only billions of years after the formation of stars. The Big Bang is not a model of creation, but a theory that explains what we see of the universe's long history without direct evidence, any predictions for time = 0 are more The process through which the big bang had created hydrogen and helium in the early universe is known as the Big Bang Nucleosynthesis. During the formation of the universe in the big bang, only the lightest elements were formed: hydrogen, helium, lithium, and beryllium. From a certain archaic point of view, this makes sense. These are Hydrogen, Helium, and This theory entails an extremely rapid expansion of the universe in the first few moments of its existence. Most scientists believe that the percentage of Hydrogen and Helium has remained the same since the big bang so this should explain the current ratio of hydrogen and helium. First hydrogen and then helium The creation of what element signals the death of star? Hundreds of millions of years later in stellar nebulae, the hydrogen gas clouds coalesce and, under gravity, form protostars. According to current theories, the first nuclei were formed a few minutes after the Big Bang, through nuclear reactions in a process called Big Bang nucleosynthesis. On the other hand, beryllium-7 was unstable and decayed spontaneously to lithium-7. The universe began with a bang. Light elements (namely deuterium, helium, and lithium) were produced in the first few minutes Immediately after the Big Bang, before the first stars in the Universe ever formed, the Universe consisted of hydrogen (element #1), helium (element #2), and pretty much Viewed 6k times. Our sun also produces helium and After three minutes, the hot Universe fused those nucleons into helium and a tiny bit of lithium, but no further. Elements and the Big Bang theory. Putting it all together. Big bang nucleosynthesis formed the light elements (H, He, and Li). But we, and Earth, and all other objects including elements other than hydrogen and helium, are made of heavier elements, so a major question for scientists is how these heavier elements were created. Also, if the galaxies are moving away now, we can assume that they were closer to each other in the past. Understanding where the chemical elements came from. Cosmologists have predicted that stars didn't form for another 180 million years. Hydrogen and helium Hydrogen, oxygen, and carbon Carbon, nitrogen, oxygen, and phosphorous Only hydrogen was created during the Big Bang. Most science textbooks that address cosmology credit Arno Penzias and Robert Wilson with the discovery that the universe arose from a hot big bang creation event. As described above, only the lightest elements were created in the big bang itself. And helium, which is made of two protons and two neutrons. Deuterium, helium-3, helium-4, and lithium-7 were stable. Nuclear fusion processes begin converting hydrogen into helium. The observations were made with an ultraviolet telescope flown on the space shuttle Endeavour in March. but it turns out at the very beginning of the universe, at the big bang They were only hydrogen and helium. As quark-gluon soup condensed into neutrons and protons, and these cooled enough to take on electrons, the first elements formed were hydrogen and Those elements were made long after the Big Bang, by nuclear fusion in the hot, dense cores of stars. The Bible says that earth was created before the stars and that trees were created before the sun.1 However, the big-bang view teaches the exact opposite. For about three minutes, heli Gamow theorized that elements were created by the heat of the big bang. Further Information. Stellar explosion , or supernova, formed the elements heavier than Fe. (Image credit: Shutterstock) The Big Bang theory It has long been theorized that hydrogen, helium, and lithium were the only chemical elements in existence during the Big Bang when the universe formed, and t The light elements that formed after the big bang were helium, deuterium, and trace amounts of lithium and beryllium. In the beginning, there were three elements. Once the universe was created by the Big Bang, the only abundant elements present were hydrogen (H) and helium (He). Peter, 80, Many people dont realize As the cloud of cosmic dust and gases from the Big Bang cooled, stars formed, and these then grouped together to form galaxies. In the Big Bang, it was space that exploded. Here is a poem I wrote about it. (My favorite paragraph is the last onebut dont skip ahead.) If some Hartnett, J.G., Echoes of the big bang or noise? The only elements formed during the Big Bang were hydrogen and helium, with a little lithium (elements nos. So lets think further back.
Big bang nucleosynthesis is the process of light element formation. What elements were produced during the Big Bang (He, O, Fe, Si)? None, as the Big Bang was the hot dense state, everywhere, which was too hot for e All of the hydrogen and most of the helium in the universe emerged 13.8 billion years ago from the Big Bang. The identified cells were found to have the characteristics of recently activated cells, which were in the process of developing into fully functional T cells. We may have discovered the cellular big bang of MS here precursor cells that give rise to disease-causing T cells, Becher says.
Once the universe was created by the Big Bang, the only abundant elements present were hydrogen (H) and helium (He). The Big Bang produced mostly hydrogen and helium, with only trace amounts of other light elements (e.g., lithium) and no heavy In physical cosmology, Big Bang nucleosynthesis (abbreviated BBN, also known as primordial nucleosynthesis) is the production of nuclei other than those of the lightest isotope of hydrogen (hydrogen-1, H, having a single proton as a nucleus) during the early phases of the Universe.
Origin of the elementsBible vs the big bang. As this dissipated, subatomic particles and atoms were created. The table shows which elements were produced by the Big Bang, which were produced by exploding massive stars (supernovae), or dying low-mass stars or merging neutron stars, for instance. Iron (Fe) List an element that was created during a Deuterium and high-redshift quasars. the environment in which that element Big Bang The Big Bang created all the matter and energy in the Universe. In 1948, George Gamow, Ralph Alpher, and Robert Herman studied the nucleosynthesis of light elements in the Big Bang.
At that point, around three quarters of the material in the universe was hydrogen atoms and the remaining quarter was helium atoms. According to the Big Bang theory, the temperatures in the early universe were so high that fusion reactions could take place. 3.2 - The Formation of Elements 4.0 - Discovery of the Galaxy 5.0 - Age and Origin of the Solar System 6.0 - Methods of Observational Astronomy 7.0 - The Life-Giving Sun 8.0 - Planets of the Solar System 9.0 - The Earth in Space 10.0 - The Search for Extrasolar Planets Hydrogen and helium Hydrogen, oxygen, and carbon Carbon, nitrogen, oxygen, Lithium-7. The first long-lived matter particles of any kind were protons and neutrons, which together make up the atomic nucleus. Astronomers first observed the CMB in 1965, and it quickly created problems for the Big Bang theory -- problems that were subsequently addressed (for a while) in 1981 with the inflation theory. The process in which new atomic nuclei are made is called nucleosynthesis the fusing of nuclei. The Big Bang is commonly presented as though it were the beginning of everything: space, time, and the origin of matter and energy. 2. Big Bang nucleosynthesis (BBN) began when the universe had cooled sufficiently that protons and neutrons, which had just formed from the primordial plasma, were able to As the Universe expanded, lumpiness developed, and regions of more-dense and less-dense gas formed. The Big Bang theory is the prevailing cosmological model explaining the existence of the observable universe from the earliest known periods through its subsequent large-scale evolution. Before that point, there was really no material in any familiar sense of the word. KEY POINTS Pieces of evidence that support the big bang theory are redshift, cosmic microwave background radiation, and abundance of light elements.