**Herong's Notes on Physics** - Version 3.21, by Dr. Herong Yang

The Relativity of Simultaneity

This chapter provides an introduction of the relativity of simultaneity in special relativity. Topics include the definition of the relativity of simultaneity; a thought experiment showing the relativity of simultaneity.

Conclusion:

- The relativity of simultaneity in special relativity refers to the phenomenon where two events happening in two different locations that occur simultaneously in one reference frame, occur non-simultaneously in another reference frame that is moving relatively.
- Time difference of two simultaneous events observed in a moving frame is L*v/(c**2-v**2).

Table of Contents

Introducion of Frame of Reference

Introduction of Special Relativity

Time Dilation in Special Relativity

Length Contraction in Special Relativity

►The Relativity of Simultaneity