A truly great game!
It allows for a highly modular style of play where you can add rules for transhumanism, mechs, psuonics, cybernetics and much more. It has rules to modify star ships and stations, if you're into that.
The Gamemaster advice is next level, even more so so if you want to run a sandbox. The game strifes to make it as easy to run as possible and it is highly compatible with other systems. You could take a Traveller adventure and run it with SWN without mich of a hassle and the same goes for a bunch of other systems.
I am super satisfied with the book and its superb layout, it is super easy to reference and find stuff.
[5 of 5 Stars!]