astronomy

Dr. Elliot McGucken · 22 November 2025 Originally published on Medium · August 25th, 2025 Download Paper 1 The McGucken Invariance: Download Paper 2 The McGucken Invariance: Let us quickly revisit Chapter 9 of Einstein’s wonderful Special and General Relativity where we see the following figure and description: Fig. 1. Are two events (e.g. the two strokes of lightning A…