Exploring the Concept of Empty Space: Fact or Fiction?

In summary, the concept of empty space devoid of matter, energy, or fields is invalid. Detecting the absence of things is more difficult than detecting their presence, and as such, it is not a question that can be answered by science. However, it is a commonly discussed topic and often leads to speculation.
  • #1
vivekfw66
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Is there in reality empty space where there is no energy or matter? or has anyone seen or detected it?
 
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  • #2
The concept of empty space would require a space devoid of matter, energy, or, more importantly fields. Gravity permeates the entire universe, so, the concept of space without the presence of a gravitational field is invalid.
 
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  • #3
vivekfw66 said:
Is there in reality empty space where there is no energy or matter? or has anyone seen or detected it?
This is not really a question that science can answer.

AM
 
  • #4
Detecting the absence of things is lots harder than detecting the presence of things.

It's a commonly asked question though. I see it here about once a month. Usually folks ask about regions with no matter, I think because they already get that, as Chronos pointed out, there isn't anywhere without fields.
 
  • #5
EM radiation permeates space just as well as gravity does. So there is definitely no such thing as space without energy.
 
  • #6
The OP has been answered. Now we are just inviting speculation.
 

FAQ: Exploring the Concept of Empty Space: Fact or Fiction?

Does empty space really exist?

There is currently no consensus among scientists about the existence of empty space. Some theories suggest that space is filled with invisible particles or energy, while others propose that space is truly empty.

How can something be considered empty if it contains particles or energy?

The term "empty" in this context refers to the absence of matter or physical objects. However, empty space can still contain particles such as virtual particles or dark matter, and energy such as electromagnetic radiation.

Is empty space the same as a vacuum?

No, empty space and a vacuum are not the same. A vacuum is a region devoid of particles, while empty space may still contain energy and other invisible components.

Can empty space be manipulated or affected by outside forces?

According to current scientific understanding, empty space can be affected by gravity and other forces. For example, the curvature of space-time caused by massive objects can alter the path of light traveling through space.

How does the concept of empty space relate to the Big Bang theory?

The Big Bang theory suggests that the universe started from a singularity, a point of infinite density and temperature. This means that before the Big Bang, there was no space or time as we know it, but rather a state of extreme density and energy. Therefore, the concept of empty space does not apply to the early stages of the universe according to this theory.

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