Yes, Launch HN is specifically for YC startups and they start on the frontpage. I think they stay on there for the whole day as well. Show HN is a normal post

Yes, Launch HN is specifically for YC startups and they start on the frontpage. I think they stay on there for the whole day as well. Show HN is a normal post tagged with "Show HN:" for the rest of us average joes who made anything.