Alright, so without anywhere else to put this, would the rings of Saturn not be horribly disrupted, along with its moons, with the arrival of the Dreadnaught? I mean, the things the size of the moon! It's huge! Like, I'm not physicist but I'm 99% sure it'd mess something up
Especially since there is also the entire awoken fleet and the mass of the dreadnaught is changed even more with the addition of a Cabal ship
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It's big, but I don't believe it's big enough to generate its own gravity.