Big Bang vs Big Crunch: Universe w/No End

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SUMMARY

The discussion centers on the concepts of the universe's expansion and the implications of infinite space, specifically in relation to the "Big Bang vs Big Crunch" theory. Participants emphasize that the universe is not moving in a specific direction but is expanding, leading to an infinite perception of space. The conversation highlights the need for clarity in terminology, as terms like "largest space" and "smallest space" are not commonly recognized in scientific discourse. The importance of providing references for claims in scientific discussions is also underscored.

PREREQUISITES
  • Understanding of cosmological theories, specifically the Big Bang and Big Crunch.
  • Familiarity with concepts of space and expansion in physics.
  • Knowledge of scientific discourse and the importance of referencing in discussions.
  • Basic grasp of terminology related to infinite space and its implications.
NEXT STEPS
  • Research the Big Bang theory and its implications on the universe's expansion.
  • Study the Big Crunch hypothesis and its theoretical framework.
  • Learn about the concept of infinite space in cosmology.
  • Explore the importance of scientific referencing and terminology in academic discussions.
USEFUL FOR

Students of physics, cosmologists, and anyone interested in understanding the fundamental theories of the universe's structure and expansion.

robert nies
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Let us suppose that there is no largest space or no smallest space as it relates to the universe. If this were the case it would be impossible for you to determine which direction the universe was heading.You would always see an infinite amount of space ahead of you
and the space between objects always growing.
 
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The universe isn't "heading" anywhere. It IS expanding. Since it is almost certainly either infinite or unbounded, yes you DO always see infinite space ahead of you.

I don't understand your concepts of "largest space" and "smallest space". What do you mean?
 
Robert nies, Welcome to Physics Forums!

Normally people post questions here about science and members provide guidance and or answers. Of course, some only make comments on a particular discovery, experimental result, or planned experiment. Those commentators always need to include references so others can study up on the subject before they can make their contributions.

You have posted three statements with no background reference. Your terms (largest space, smallest space, the direction the universe is moving, see an infinite amount of space in front of you) are not commonly used, so for me it is impossible to get your meaning.

Will you please explain the connection between the title of your post “Big Bang vs Big Crunch” and your statements?

Thank you,
Bobbywhy
 

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