Space Time Continuum: A Scientific Analysis

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Discussion Overview

The discussion centers around the nature of the space-time continuum, specifically whether it is a mixture of space and time or something fundamentally different. Participants explore this concept within the context of current scientific understanding, avoiding philosophical interpretations.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant questions the notion that the space-time continuum gives rise to space and time, suggesting that it may simply be a term for both combined.
  • Another participant describes space-time mathematically as a pseudo-Riemannian manifold, indicating a technical perspective without further elaboration on the initial question.
  • A different participant asserts that in General Relativity (GR), reality is represented by a curved four-dimensional surface, implying that time evolution is a matter of gauge choice.
  • One participant presents a scenario using Special Relativity (SR) to illustrate that two points in space, which are simultaneous in one reference frame, can be perceived as separated in both space and time in another frame, suggesting an intermixing of space and time.

Areas of Agreement / Disagreement

Participants express differing views on the relationship between space and time within the space-time continuum, indicating that multiple competing perspectives remain without consensus.

Contextual Notes

Some participants rely on specific frameworks such as General Relativity and Special Relativity, which may impose limitations on their arguments. The discussion also reflects varying interpretations of the terms and concepts involved.

Naveen3456
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It is said that the space time continuum gives rise to space and time.

So, is space time continuum a mixture of space and time or something totally different from space and time? Plz elaborate as per current scientific understanding only. No out and out philosophy please?
 
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"space time continuum" is a name for "space and time". I don't think it makes sense to say "it gives rise to space and time". Does 6 give rise to 2 and 3, as 2*3=6?
 
Mathematically spacetime is a pseudo-Riemannian manifold. I am not sure what you are after for the rest of your question.
 
Naveen3456 said:
It is said that the space time continuum gives rise to space and time.

So, is space time continuum a mixture of space and time or something totally different from space and time? Plz elaborate as per current scientific understanding only. No out and out philosophy please?
In GR reality is completely described using a curved four dimensional surface. Time evolution is just a gauge choice.
 
Naveen3456 said:
It is said that the space time continuum gives rise to space and time.

So, is space time continuum a mixture of space and time or something totally different from space and time? Plz elaborate as per current scientific understanding only. No out and out philosophy please?

Take two points that are separated only in space, i.e. two points that occur at the same time, in some specific reference frame.

For simplicity, assume there's no gravity, so that we can use only SR and don't need to use GR.

THen in some other reference frame, the two points that occurred at the same time occur at different times, due to the relativity of simultaneity. So they are separated in both space and time.

Thus we are led to the conclusion that space and time must intermix, somehow. One observer's purely spatial separation appears to be a separation in space and time to another observer.
 

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