Also, to get achievement for visiting a place you need to spend some time there to get it counted.
Yes. Just stay there until you see "[Character name) is saved" in System Info. There is an autosave about every 9 minutes.
And yes, collecting those Exploration is time-consuming as a result.
---Do not assume that you speak for all just because you are the loudest voice; there are many who disagree that simply have no desire to waste words on you.