0
Were protons and neutrons in existence immediately after big bang?
Wiki User
∙ 13y ago
We weren't there; NOBODY was. There was nothing at the moment of the Big Bang, and we cannot be certain of what came into existence or when in the seconds, minutes or hours following the event.
So, "immediately"? We believe - based entirely on poorly-understood mathematical theories for which no practical test is possible - that "matter", in the sense of protons, neutrons, electrons, and their corresponding antiparticles, probably did come into existence within a few seconds of the event.
Wiki User
∙ 13y ago
Add your answer:
Earn +20 pts
Why didn't protons neutrons and electrons bind together immediately after the big bang?
it was too hot
What happened 3 mintues after the big bang?
Neutrons combined with protons to form the Universe's deuterium and helium nuclei in a process called the Big Bang nucleosynthesis
How long after the big bang did it take for stars to form?
the theory states that atoms formed during the big bang (like right as the big bang happened) Protons and neutrons were allowed to form about one second after the Big Bang. Electrons joined to nuclei to form permanent atomic bonds about 377,000 years later.
What was the first atom to start forming when the protons neutrons electrons and anti matter began to cool?
In the quark-gluon mass that was formed in the big bang light elements such as hydrogen and helium would have formed first, fusing under the high levels of gravity later.
What sort of radiation suggested evidence for the Big Bang?
The existence, isotropy, and spectrum of the cosmic microwave background radiation (cmbr) is extremely easy to explain if Big Bang Cosmology is true; it is impossible to reasonably explain even its existence with any alternate cosmological hypothesis.
Why didn't protons neutrons and electrons bind together immediately after the big bang?
it was too hot
Was it 1 second after the big bang that protons and neutrons formed?
Yes, it was during the Hadron Epoch.
What formed the protons and neutrons?
They formed early in the big bang before matter and energy decoupled.
What happened 3 mintues after the big bang?
Neutrons combined with protons to form the Universe's deuterium and helium nuclei in a process called the Big Bang nucleosynthesis
What was produced immediately after the bang?
Quarks and leptons are produced immediately after the big bang.
When did matter cool and stick together in the big bang?
That depends by what level of "stick together" you are talking about. For example, quarks and gluons combined to form protons and neutrons, approximately one millionth of a second after the Big Bang. For other levels of "sticking together", check the Wikipedia article on the Big Bang.
How atom form?
Atoms are made up of protons and neutrons, the protons and neutrons are at the central core called the nucleus, and the electrons revolve around it, being held in orbit by the electromagnetic force between the negatively charged electrons and the positively charged protons in the central nucleus. They were formed right after the "Big Bang" when our known universe originated from pure energy some billions of years ago. From these, atoms of different elements were produced.
How did the big bang come into existence?
When Matter and anti-matter collided the Big Bang came into existence. But something still remains a mystery that how did the Matter and anti-matter come.
What is the rule of electric charges?
to find their way into the nucleas and bang with the protons.
How long after the big bang did it take for stars to form?
the theory states that atoms formed during the big bang (like right as the big bang happened) Protons and neutrons were allowed to form about one second after the Big Bang. Electrons joined to nuclei to form permanent atomic bonds about 377,000 years later.
How do you know only Hydrogen and Helium could form only seconds after the Big Bang?
Actually, a small amount of lithium-7 also had time to form, but this fact doesn't change the basic answer. Because we know three things: 1) the probability (more precisely, the cross-section) of a specific number of protons and neutrons combining together to form an element with atomic number greater than hydrogen. 2) the density of protons and neutrons during these few seconds. 3) the length of time this "soup" of protons and neutrons was in existence. When the calculations are done, the results are that the odds of any element, with an atomic number above that of helium, forming in those few seconds is essentially zero. We can also calculate the expected density of hydrogen-1, deuterium, tritium, helium, and lithium; given the time length at which our Universe was at a specific density. The predicted density of each is consistent with the observed density. Big Bang Cosmology is unique is being able to correctly predict the ratio of primary elements in our Universe.
How did the universe come to existence?
Some 13 or 14 billion years ago, all the existing matter in the Universe was very close together, extremely hot, and extremely dense. It started to expand, a process known as the "Big Bang", matter gradually cooled down, until it was cool enough to form neutrons, protons, later nuclei, and much, much later, galaxies, etc. It is not currently known what caused this Big Bang, what was before it (if there even WAS a "before"), what caused it, and whether this was an isolated event, or perhaps it has happened many times, leading to various universes.
