I just started below zero yesterday and I got a lot of personal survival items including a thingy that makes you go fast and instructions for a life buoy boat smth
My tip- near the start, you'll get a signal to something related to the precursors. Suggest you get that sooner rather than later- what you find has some slight effect on the rest of the game
Pro tip: if you get to the lily pad biome and see a massive dropoff, do not go into it unless your brave because that's the void, I'll link an article to it incase you'd like to read about it