Exploring the Changing Geometry of Space

In summary, the geometry of space can change in the presence of matter or energy, as this affects the metric and causes photon trajectories to locally depart from straight lines. However, the visible portion of the universe appears to be mostly flat. Gravitational fields can cause curvature, as seen in Einstein rings.
  • #1
STAR GIRL
24
0
Does Geometry of space Changes?
 
Space news on Phys.org
  • #2
STAR GIRL said:
Does Geometry of space Changes?
That is such as totally vague question as to be unanswerable. Please be MUCH more specific about what you are asking.
 
  • #3
phinds said:
That is such as totally vague question as to be unanswerable. Please be MUCH more specific about what you are asking.
Sorry
 
  • #4
phinds said:
That is such as totally vague question as to be unanswerable. Please be MUCH more specific about what you are asking.
You know that space has geometry... So is it changes.. I want to know only.
 
  • #5
STAR GIRL said:
You know that space has geometry... So is it changes.. I want to know only.
This is still a very vague question and I, at least, have not idea how to answer it. Perhaps one of our other members will understand what it is you want do know.
 
  • #6
phinds said:
This is still a very vague question and I, at least, have not idea how to answer it. Perhaps one of our other members will understand what it is you want do know.
OK sir thank u..
 
  • #7
STAR GIRL said:
Does Geometry of space Changes?

As @phinds pointed out, this is much too vague to answer. Can you give a specific scenario that illustrates what you are asking about?
 
  • #8
STAR GIRL said:
Does Geometry of space Changes?

In the presence of matter or energy the metric, which tells you how to measure lengths varies from place to place. If that's what you mean by geometry then yes.
 
  • #9
In simple terms the geometry of spacetime is defined by the trajectory followed by photons traveling between any two arbitrary points in space. The portion of the universe visible to us appears, as best we can measure, to be perfectly flat within a fraction of a percent. The most important caveat is that gravitational fields cause photon trajectories to locally depart from otherwise perfectly straight lines. This referred to as curvature, which is most prominently exhibited by what is called Einstein rings
 
  • Like
Likes stoomart, Comeback City and STAR GIRL

Related to Exploring the Changing Geometry of Space

1. What is the changing geometry of space?

The changing geometry of space refers to the idea that the shape and structure of the universe is constantly evolving and changing over time. This is based on the theory of general relativity, which suggests that the fabric of space can be curved and distorted by the presence of matter and energy.

2. How is the changing geometry of space measured?

The changing geometry of space is primarily measured through observations and experiments in the field of cosmology. Scientists use tools such as telescopes and satellites to gather data on the distribution of matter and energy in the universe, which can help determine the shape and structure of space.

3. What evidence supports the concept of changing geometry of space?

One of the key pieces of evidence for the changing geometry of space is the observation of the cosmic microwave background radiation, which is a remnant of the early universe. The patterns and fluctuations in this radiation provide insights into the geometry and evolution of the universe.

4. How does the changing geometry of space impact our understanding of the universe?

The changing geometry of space has a significant impact on our understanding of the universe and its origins. It helps explain the expansion of the universe, the formation of galaxies and other celestial bodies, and the overall structure of space and time. It also plays a crucial role in theories such as the Big Bang and the inflationary model of the universe.

5. Are there any practical applications of studying the changing geometry of space?

While the concept of changing geometry of space may seem abstract, it has practical applications in fields such as astronomy, physics, and engineering. Understanding the structure of the universe can help us develop new technologies and improve our understanding of the laws of physics. It also has implications for space travel and exploration.

Similar threads

Differential geometry of singular spaces
    • Science and Math Textbooks
Replies
0
Views
720
I Are there types of spacetime where no symmetries are valid?
    • Cosmology
Replies
15
Views
1K
I What does the equation dΩ32 = dr2 + r2dΩ22 mean in terms of flat space?
    • Cosmology
Replies
6
Views
2K
I Relationship Between Expansion and Curvature in the Universe
    • Cosmology
Replies
3
Views
569
I Models where all symmetries would be approximate?
    • Cosmology
Replies
1
Views
1K
B Mass of Space (B but approaching I)
    • Cosmology
2
Replies
50
Views
3K
I Understanding Space-Time Expansion: Debunking the Myth of Non-Physical Space
    • Cosmology
Replies
15
Views
1K
B Does Space Recover or Oscillate After Being Distorted by Massive Objects?
    • Special and General Relativity
Replies
3
Views
435
I Is the expansion of the universe affecting time or just space?
    • Cosmology
Replies
22
Views
1K
I All possible QFTs from geometry?
    • Beyond the Standard Models
Replies
3
Views
1K

Hot Threads

Recent Insights

Back
Top