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# What are the dimensions of space and time?

## What are the dimensions of space and time?

four dimensional
Space time is thus four dimensional. Mathematical events have zero duration and represent a single point in spacetime. The path of a particle through spacetime can be considered to be a succession of events.

How many dimensions of time are there?

The world as we know it has three dimensions of space—length, width and depth—and one dimension of time. But there’s the mind-bending possibility that many more dimensions exist out there. According to string theory, one of the leading physics model of the last half century, the universe operates with 10 dimensions.

Why does string theory have 11 dimensions?

Scientists do not believe there can exist more than 11 dimensions because conditions become unstable and particles naturally collapse back down into 10 or 11 dimensions. While strings can only vibrate in 10 dimensions, membranes can exist at 11 dimensions. It is possible that our universe is one such membrane.

### What are the 3 dimensions space time?

Secret dimensions In everyday life, we inhabit a space of three dimensions – a vast ‘cupboard’ with height, width and depth, well known for centuries. Less obviously, we can consider time as an additional, fourth dimension, as Einstein famously revealed.

What are the first 10 dimensions?

The only way to explain is to start at the beginning, so without further adieu, buckle in for the 10 dimensions of our reality.

• Length.
• Width.
• Depth.
• Time.
• Probability (Possible Universes)
• All Possible Universes Branching from the Same Start Conditions.
• All Possible Spectrums of Universes with Different Start Conditions.

Does 7 dimension exist?

The most studied are the regular polytopes, of which there are only three in seven dimensions: the 7-simplex, 7-cube, and 7-orthoplex. A wider family are the uniform 7-polytopes, constructed from fundamental symmetry domains of reflection, each domain defined by a Coxeter group.

#### Are there any theories for 11 dimensional space?

As of now, there are no definite empirical results confirming M-theory and its 11-dimensional space, and the verification of the theory is a great challenge for physicists. There is even a new theory called F-theory (F for “father”) that introduces another dimension, suggesting a 12-dimensional space with two-time coordinates instead of one!

Why is time not separated from the three dimensions of space?

Furthermore, it assumes that space is Euclidean; it assumes that space follows the geometry of common sense. [3] In the context of special relativity , time cannot be separated from the three dimensions of space, because the observed rate at which time passes for an object depends on the object’s velocity relative to the observer.

Is there really a universe of 10 dimensions?

A universe of 10 dimensions by Matt Williams, Universe Today Superstring theory posits that the universe exists in 10 dimensions at once. Credit: National Institute of Technology Tiruchirappalli.

## Can a spacetime interval between two distinct events be zero?

Because of the minus sign, the spacetime interval between two distinct events can be zero. If s 2 {displaystyle s^{2}} is positive, the spacetime interval is timelike, meaning that two events are separated by more time than space.