Why did anyone come up with the idea that it would be hot worlds the said "Barnacles" would appear? read "Drew Wagners" defintive info on the Thargoids theory, you do know there is or was 3 alien races implemented. erm...
The Thargoids can survive under -33 and not cooler , more than humans... also if you read up a good , place to land is, if you find the holy grail of meta-alloys let us all know : Ross 154.
Why? well in the lore "Merlin" was the planet the Empire, Federation, and Alliance, plus other parties met with agents from Thargoids.
Merlin is unlandable, it is Ammonia, but the other planets are landable, typically, the planet called "Dust Bowl" and yes it is in the region around SOl....
I have been up and down the galaxy, seen all poi's some strange and seen all manner of waves on the srv scanner, I have collected all materials, some are V rare to say the least.
Just a heads up, if you get to a poi and is guarded, or any poi , don't log out and in, it de-spawns even if you are on top of it......(farming blocked)
In my opinion, after a huge amount of hours in the love buggy lol, yep it bounces the hell out of me and I see rocks when asleep lol, the Barnacles spawn is not working... or it is the needle in the universe puzzle, we need more info.
The video trailer, it is not so clear cut.. it is a advert for Horizons and the seasons to come... the "green black glowing thing" ( which we believe is Barnacles) see what I did there ? spelling mistake, or teaser for the new year? could be a alien base in the next Horizons expansion........
It is no way a poi at the size it is portrayed in the video, it is a base, it is just a advert for the next season.....
The Meta-alloy will be found and I bet the thing is not seeded yet..... after over 240 hours all over the verse you bet it is not seeded. ie a funk up...