Does the color of light that thrusters emit mean anything on starships?

You know how the executor’s thrusters emit a red…

This Thruster can Propel a Spacecraft Almost Indefinitely

ToughSF: The Expanse's Epstein Drive

How does a spaceship engine get oxygen for fuel combustion in

Solar sail - Wikipedia

The Tech Side #10: Imperial Starships – The Benatar Class Cruisers

2021 January

Translucent RCS parts for the 1:537 Constitution Refit Starship are made for lighting and can also be used to correct the RCS thruster mis-alignments

Constitution Refit Lightable Reaction Control Thrusters - 1:537

Visible light emission from a xenon plasma Hall thruster. 7 µs

We have very bright LED lights that are very bright. But the

What would a technically feasible near light speed starship look

Is SpaceX's Raptor engine the king of rocket engines?

APOD Retrospective: October 2 - Starship Asterisk*

STAR WARS: Sublight Propulsion

Tweet thread analyzing options to prevent boil-off on Starship