It is possible to jump from one Gundam universe to another and the key to make that happen is the Plavsky crystal.
At some point in Reiji's universe, something happened concerning the crystal which somehow merged all the Gundam universes. This is where the Black History starts.
That green rainbowish light that we commonly see in the Gundam series resembles the Bifröst. We know that the Bifröst is link between all the Nine Realms of the Norse cosmos. It is possible that whenver that rainbowish light appears in Gundam opens up a portal of some kind to other Gundam universes.
The IBO is somewhat crucial to the Black History as well since it has Gjallarhorn, the horn of Heimdall, the god who guards the Bifrost.
>>15404748
Maybe Reiji's world is the Newtype Civilization based off of the Colonies that fled Earth. Reiji never actually put two and two together because nobody knows what happened to earth once they left. As earth went thru BH cycles Turn X floats into the solar system, causing the creation of Turn A. It's said that the White Doll is controlled like a puppet, like how Island Wars showed can happen when a new Plavesky goes haywire.
>>15405194
Turn A Gundam is the future of GBF
The "Black History" is just a huge collection of Gunpla Battles.
All "mobile dolls" are just 1:1 scale gunpla, that's why they don't rust even after centuries in mountain cycles.
Corin Nander is actually that German Gunpla fighter that went crazy after being NTR'ed by Fellini too many times.
>>15404748
>>15404769
>>15405194
>>15405220
Holy shit, this theory is amazing.
>>15404748
Notice how the Psycoframe shards from the Unicorn are similar to the Plavsky crystals.
>>15404748
>Gunpla attack so powerful it can be seen from across galaxies
Shouldn't Sekai and co be at the very least left blind alongide the rest of the world after that attack?
Several characters in Turn A Gundam are descendants of the Yajimas.
>>15407578
Including these two. It should be clear who inherited what from who.
This is the Hi-Mock.
It is the predecessor to the SUper-MOck.
aka SUMO
I think we're on to something here