Question

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(I can google also....but i need ur opinion)

It is said that after big-bang there's equal amount of matter and anti-matter were produced but everywhere we're seeing matters only ......my qstn is "where does all the anti-matter goes"??

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In the case if u don't know what is Anti-matter see the attachment above!

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Answer 1

Hey mate,
I really appreciate you for this question

So before actually answering your question, i would like to say what Big Bang actually is.

In short, Big Bang is a theory, which describes the formation of our universe.
According to this, our universe was formed due to explosion of a small point (may be said as singularity) which had high density, energy etc.

Now let's come to the point and answer your question.

Due to the big bang, the whole universe and its constituents were formed which contained matters and anti matters. The energy relesed due to big band made the quarks and anti quarks which then formed atoms and anti atoms from which matter and anti matter was formed. So now you must be thinking that Big Bang have produced equal amount of matters and anti matters. But this actually not happened. So why this not happened? Actually we don't have any proof for this but it's clear that equal amount of matter and anti matters was not formed because if that happened then when they will come in contact, they will again convert to energy and no matter or anti matter will remain. But in our universe we see the matters. So it shows that there was not equal amount of matter and anti matter and at the starting the amount of matter was more than the amount of anti matter. Hence, when the anti matter came in contact with the matter, they vanished (converted to energy) and hence mostly all the anti matter particles came in contact with the matter and nearly vanished which resulted in matter dominated region in the space in the known part of our universe .

So where are anti matters?????

As i said that the matter dominated region was created in the case. Similarly anti matter dominated region may be present in any region of the space. If in future we are able to detect that place than we will surely detect the anti matters too.

As well as anti matters are created every where in the universe where high-energy particle collisions take place. But in those places matters are also created and when they come in contact with each other they again convert to energy so, it become difficult to detect them.

So in short your answer is that when the universe was formed, the amount of matter and anti matter was not equal so they doesn't went anywhere but the matter and anti matter converts to energy when they come in contact with each other.



Hope this helps

Thank you

regrets,
Sneha