Interesting. I’m with you on the Starkiller planet size.

Let’s say the Starkiller beam moves at lightspeed. I guess the stars would be elongated or look like that cloudy blue tunnel from the “point of view” of the beam itself. Would the beam be visible for “outside” viewers? And would it travel through lighspeed “lanes” or freely in a straight line from point A to point B? Do objects in lightspeed enter a different dimension or are they simply moving too fast to be seen? If it’s just moving fast but is a long continous beam I assume it would still be visible and look about the same as it does in the movie.