729
I'm not kidding when I say for the FIRST time I actually can grasp the size
(startrek.website)
A little short for a starship, isn't he?
Well the speed of light is actually faster than you can reasonably comprehend... you can't see or experience the travel time of something going that fast. 300m is not unreasonable to understand once you've experienced it though - that's a big boat, but you can see one and get a sense of the scale.