Finding Remnants of the Big Bang

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SUMMARY

The discussion centers on the possibility of observing remnants from another universe shortly after the Big Bang. It is established that the particle horizon during that time was smaller than it is today, making contact with another universe impossible. Speculative ideas without mainstream references, such as textbooks or peer-reviewed papers, are not permitted for discussion. The thread was ultimately closed due to the speculative nature of the inquiry.

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ErikC
I'm assuming for some time after the Big Bang we may have been close enough to another universe to observe it. Would all signature of such observation be lost due to the heat in the early universe or the length of time past? Could anything observed be a remnant of this?
 
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Hi ErikC, welcome to PF!

ErikC said:
I'm assuming for some time after the Big Bang we may have been close enough to another universe to observe it.
If you mean being in contact with another patch of the universe that is currently unobservable, then that was never the case. The particle horizon soon after big bang was smaller than it is today.
 
ErikC said:
I'm assuming for some time after the Big Bang we may have been close enough to another universe to observe it.

This looks like personal speculation, which is off limits for discussion at PF. If you can find a mainstream reference (textbook or peer-reviewed paper) that describes a hypothesis like this, then we would have some basis for discussion.

Thread closed.
 

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