this post was submitted on 23 Jun 2024
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In sci-fi no one ever acknowledges that strapping a faster-than-light engine to an asteroid would be a very simple and effective weapon for destroying planets. I guess this is an anti-trope since it's never used, but that seems like the logical use for warp drives in sci-fi. It's an easy analogy for mutually assured destruction
Any time it's not super well explained, I just always assume FTL engines are utilizing some method of spacial distortion rather than actually accelerating an object to such speeds. Like I kind of feel like if you plot a course and there's a planet in between you and your target coordinate you'll just most likely go "through" it via kinda going around it through spacial fuckery
Realistically (I know that word means nothing here), if FTL were possible and utilised by a galactic society, it would have to be the type you're talking about.
Space is mostly empty, sure, but there is enough shit out there to be a problem if something hit it at light speed.
Imagine hitting the FTL button, the stars stretch around you, and then you appear at the other end to find a graveyard of spaceships around a dead planet.
Then the emergency lights start up, and then you realise half of your ship has been hit with the astronomical equivalent of buckshot. Your ship passed through screws and bolts; parts of Elon's fucking Testla from five thousand years ago.
Fuck you Elon.
That's assuming that an engine built for driving a space ship would be powerful enough to push the giant space rock.
It'd be like strapping a car engine to a mountain and expecting it to go just as fast.
In practical terms there's very little reason to destroy an entire planet. It's complete overkill. You can decimate the population of a planet but things like farmland and living biospheres are in short supply in the cosmos, sublight asteroid drops do the job just fine and you can just wait for the dust to settle and sift through the ruins for valuables
The Expanse had the belters launch asteroids to effectively nuke parts of earth
There are stories that use it. The term "relativistic kill vehicle" gets used sometimes. Spin a rock up to a good fraction of c then delete a whole planet. Really depends on what the writer wants to do, though. Three Body Problem is the most recent famous example of "ftl big gun." Thing. Star wars has done it a bunch of times. One of the old comics had a star destroyer that fired planet cracker torpedoes through hyperspace. The ancient Lensman series has had every kind of variation of "strap ftl drive to object" you could imagine.wh40k orks hollow out asteroids, fit them with warp drives, then fire them at the next star system they want to invade. They crash the entire asteroid, or moon, in to the target planet as their invasion ship.
It’s a divisivr movie , but that exact scene in The Last Jedi fucking rocks
They should have just let Rian cook