system
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human
[Star Wars] Starkiller Base insanity.

Ok, questions  I searched but couldn't find good answers:

1) They say it's an FTL weapon, why does the beam visibly crawl through space?

2) Since planets are like millionth the size of a star, how does it eat a star?  And just gets 1 shot per star?

3) Shouldn't striking multiple planets require multiple beams, rather than 1 beam that splits for no apparent reason halfway there?

4) What are the odds of all 5 target planets being so close they can all be seen form a 6th planet?  How small is that galaxy anyway?
gpt
The official explanation for the oddities surrounding the actual blast from Starkiller base is that it creates a rip in hyperspace, hence why a planet that's halfway across the galaxy from the target system can see the shot.

As for how it eats a star, it seems it doesn't eat the whole thing - only enough to destabilize the star to the point where it falls apart - not into a nova, but simply dissipates the rest of the starstuff.