Could it be that the Big Bang had no cause?

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  • #1
donglepuss
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TL;DR Summary
Could it be that everything in the universe is described by cause and effect, but we have no reason to believe that cause and effect remains valid outside of the universe?
Everything that I’ve researched into this seems to suggest that we know absolutely nothing about the universe at the beginning of the Big Bang event. Could it be that just nothing is there? Could everything in the universe be described by cause and effect, yet cause and effect does not apply outside of the universe itself?

Thanks :)
 
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  • #2
donglepuss said:
TL;DR Summary: Could it be that everything in the universe is described by cause and effect, but we have no reason to believe that cause and effect remains valid outside of the universe?

Everything that I’ve researched into this seems to suggest that we know absolutely nothing about the universe at the beginning of the Big Bang event. Could it be that just nothing is there? Could everything in the universe be described by cause and effect, yet cause and effect does not apply outside of the universe itself?

Thanks :)
We have no knowledge of “outside of the universe.” Therefore you are asking for baseless speculation.
 
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And more rigorously inline with PF rules, the question of what may or may not have happened at an event we cannot observe is really more about metaphysics and philosophy, which are expressly forbidden topics for this very reason. Sorry, donglepuss.
 
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  • #4
Frabjous said:
We have no knowledge of “outside of the universe.” Therefore you are asking for baseless speculation.
DaveC426913 said:
the question of what may or may not have happened at an event we cannot observe is really more about metaphysics and philosophy, which are expressly forbidden topics for this very reason.
In the light of these valid comments, this thread is closed.
 

FAQ: Could it be that the Big Bang had no cause?

What does it mean for the Big Bang to have no cause?

When scientists say the Big Bang might have had no cause, they are suggesting that the universe could have spontaneously come into existence without any preceding event or trigger. This challenges the traditional notion of causality, where every event is the result of a prior cause.

Is it scientifically plausible for the Big Bang to have no cause?

Yes, it is scientifically plausible. Quantum mechanics introduces the concept of events happening without deterministic causes. For instance, particles can appear and disappear in a vacuum without an apparent cause. Some scientists theorize that similar principles could apply to the origin of the universe.

How does the concept of a causeless Big Bang relate to quantum mechanics?

Quantum mechanics allows for the possibility of events occurring without a direct cause due to the inherent uncertainties and probabilistic nature of quantum states. The idea of a causeless Big Bang is often linked to quantum fluctuations, where the universe could emerge from a quantum vacuum state without a specific cause.

Does the idea of a causeless Big Bang contradict the principle of causality?

While it may seem to contradict classical causality, it does not necessarily violate the principles of quantum mechanics, which permit events to occur probabilistically. The principle of causality as we understand it in everyday life does not always apply at the quantum level, where different rules govern the behavior of particles and events.

What are the implications of a causeless Big Bang for our understanding of the universe?

If the Big Bang had no cause, it would fundamentally alter our understanding of the universe's origins and the nature of existence. It would imply that the universe could arise from a state of "nothingness" governed by quantum laws, challenging our philosophical and scientific notions of causality and the need for an initial cause or prime mover.

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