Mass-energy equivalence and how it relates to the content of the universe

Click For Summary
SUMMARY

The discussion centers on mass-energy equivalence and its implications for understanding the universe's total mass-energy. Participants confirm that all matter, including atoms, originated from energy released during the Big Bang, emphasizing that mass-energy conversion is fundamental to the existence of everything around us. The conversation highlights a gap in literature regarding the broader implications of mass-energy equivalence in cosmology, suggesting that further exploration of thermodynamics and entropy may provide additional insights.

PREREQUISITES
  • Understanding of mass-energy equivalence
  • Basic knowledge of thermodynamics
  • Familiarity with the Big Bang theory
  • Concept of entropy in physics
NEXT STEPS
  • Research the implications of mass-energy equivalence in cosmology
  • Study the laws of thermodynamics in detail
  • Explore the concept of entropy and its role in the universe
  • Investigate how mass-energy conversion relates to particle physics
USEFUL FOR

Students pursuing physics, educators teaching thermodynamics and cosmology, and anyone interested in the foundational principles of the universe's structure and origins.

smulc
Messages
33
Reaction score
0
I've always been interested in Physics so have finally decided to do a Physics degree. I've been reading various things to help prepare myself and have just been reading about the laws of thermodynamics and mass-energy equivalence. As I'm reading through different articles about these subjects I've been surprised at the lack of mention about how this relates to the total mass-energy in the universe.

It's my understanding that everything that exists, right down to the atoms in our bones came from the energy that was released in the big bang. Over time as the universe cooled, some of this energy became sub atomic particles, then atoms were born. So essentially through mass-energy conversion the energy that existed back then exists in everything around us. So, for example, following this keyboard back through time would show that every part of it was in existence back then but obviously in different form. Am I understanding this right? Most of what I've been reading seems to relate to things on a much smaller scale so I'm not sure if I'm misinterpreting things or if what I'm thinking about relates to a completely different theory.

It's probably a silly question but I'm still learning.
 
Space news on Phys.org
You are correct, everything you see around you was present at the big bang. It's just the configuration that has changed.
 
Thanks for clarifying that.

Is this process solely down to mass-energy conversion or does it relate to any other theorys? Like I said previously I've been reading about this theory but found very little mention of how it relates to the universe. Is it just not mentioned because it's obvious or could I find more information about it in a slightly different subject?
 
smulc said:
Thanks for clarifying that.

Is this process solely down to mass-energy conversion or does it relate to any other theorys? Like I said previously I've been reading about this theory but found very little mention of how it relates to the universe. Is it just not mentioned because it's obvious or could I find more information about it in a slightly different subject?

Thermodynamics and entropy might be good places to start.
 

Similar threads

  • · Replies 33 ·
2
Replies
33
Views
6K
  • · Replies 36 ·
2
Replies
36
Views
4K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 0 ·
Replies
0
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 13 ·
Replies
13
Views
2K
  • · Replies 7 ·
Replies
7
Views
1K
  • · Replies 5 ·
Replies
5
Views
3K
  • · Replies 31 ·
2
Replies
31
Views
4K
  • · Replies 7 ·
Replies
7
Views
903