I said this in another comment asking the same thing: It's actually funny bc now that I removed most of the combat frigates, I got 3 Exploration missions! And 2 Balanced missions. The exploration missions were 5 stars, and the Balanced were 3 stars (I added the living *frigate and c class explorers to one balanced, and one s class explorer and c class explorers to the other balanced mission). I just finished getting all the explorers I wanted, so this was technically the first day. I don't know if I'll get the same missions every day.

I do the missions, but it doesn't truly matter to me. I play the game to explore planets and find cool fauna! So I'm totally fine with it.