FTL between two planets with minimal relative velocity doesn't have any effects on causality. It's pretty much how Star Trek depicts. Of course there are other

FTL between two planets with minimal relative velocity doesn't have any effects on causality. It's pretty much how Star Trek depicts. Of course there are other scenarios where you can get backwards signaling. But some recent papers showed that in these cases, were they possible, then events would arrange themselves to be consistent overall, even though some events have causes from their futures.