Sometimes I see a post being edited by community, or brought to the active page by community. I have seen this post What does it mean if an edit is attributed to Community?, but still if this is exactly the case, how has the user community earned those two badges? I mean the ones in Arena 51.

Just today, I flagged the first nonconstructive trolling comment below a legitimate question as not constructive. When going to my flagging history, I see that the flag is nether declined nor deemed helpful, but there is a yellow blob saying that it is "active". I have never seen this before, wh...

I'd like to post a question, but not sure that I should post it either here or Space Exploration.SE Why an asteroid doesn't make a sonic bang while entering the atmosphere?