Combine this new knowledge with the possibility of the galactic equivalent of Lagrange points light years away from the host stars, and there could be clusters of planets out there in interstellar space.

This could include two clusters 3.81 light years away from our Sun. And maybe an equivalent cluster associated with other nearby stars even closer to us?

https://www.newscientist.com/article/2441472-the-sun-could-capture-rogue-planets-from-3-8-light-years-away/ nostr.fmt.wiz.biz