What Alternative Term Can Replace Non-Proper Length in Relativistic Terminology?

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SUMMARY

The discussion focuses on alternative terminology for "non-proper length" in the context of relativistic physics. Participants suggest using "contracted length," which is commonly employed in special relativity (SR) to describe lengths measured by an observer in relative motion. Additionally, the term "space-like dimensions" is referenced, particularly in relation to early time dimensions during the initial stages of the Big Bang, as noted by Hawkins.

PREREQUISITES
  • Understanding of special relativity (SR)
  • Familiarity with the concept of proper and non-proper time intervals
  • Knowledge of the Big Bang theory and its implications
  • Basic grasp of relativistic terminology and concepts
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  • Research the concept of "contracted length" in special relativity
  • Explore the implications of "space-like dimensions" in cosmology
  • Study the relationship between proper and non-proper intervals in relativistic physics
  • Investigate Hawkins' theories on early universe dimensions
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Physicists, students of relativity, and anyone interested in the terminology and concepts related to relativistic physics and cosmology.

bernhard.rothenstein
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if for non-proper time interval we can use coordinate time interval what could we use instead of non-proper length.
thanks for the help?
 
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"Contracted Length" is often used in SR for a length measured by an observer in relative motion to whatever is being measured.
 
Hawkins uses "space-like" dimensions to describe early time dimenstions--at the initial big bang stage.
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