If any anons want an interesting take on where we may be, here's a link to F. Amadeo Giannini's book "The World Beyond The Poles"

https://archive.org/stream/WorldsBeyondThePolesPhysicalContinuityOfTheUniverseFinalWithAddedPages/Worlds+Beyond+The+Poles+%28Physical+Continuity+of+the+Universe%29+%28Final+With+Added+Pages%29_djvu.txt