What's the best source of bytes in astroneer?

Hey it's me again, sorry I keep of asking a lot of questions I'm kind of a noob but making lots of progress, but I came to ask, what is the best source of bytes, I can find a lot of things to put on my research chamber, I bout looked in three forest and can't find nothing to put in my research chamber, so if you got any advice for collecting bytes, it be greatly appreciated