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by troymc 1640 days ago
The refractive index of air is very close to that of vacuum (which is 1), so most Starlink transmissions between nodes (ground-satellite, and satellite-satellite) will travel at near light speed.
1 comments

> The refractive index of air is very close to that of vacuum

Yeah, 1.0003 vs 1.0. Very close, but not the same was my point.