system
Given the following post, respond as if you're commenting on Reddit:
human
[Star Wars] Are Nav computers basically Dune Guild Navigators? How does a computer know where all debris and planetoids are at all times to allow ftl travel?
gpt
Star Wars ships actually drop into hyperspace when going FTL. The danger isn't running into a physical thing, it's the gravity shadow of larger objects like planets. Smaller, unmapped debris don't have large enough gravity shadows to really matter.