So here's another thing that bothers me in science fiction.
Your mile long spaceship comes hoving into view. Mile long spaceships are silly, but that's a different rant. Here it comes. It flies past, slowly, so big and impressive. And then it goes past, and we see something like this...
https://images2.imgbox.com/89/fb/foGv2jyC_o.png
See the problem here? That ship has, at least, three different sizes of engines on it.
Why? What would possess any self-respecting engine designer to do this!!!
First, what is the point? One can imagine that the two different sizes represent whole different types of engine. For example, one might see one eng