On the other hand, the ancients assumed there had to be big continents in the southern and western hemispheres to "balance" the land in their own quadrant.
They turned out to be right, but not quite for the reasons they put forth.
As a non-cosmologist, I'm unwilling to speculate on what "should" be out there, because my mental model is probably very wrong (keeping in mind that our best models of what's happening out there are also probably quite wrong).
alt Hacker News
On the other hand, the ancients assumed there had to be big continents in the southern and western hemispheres to "balance" the land in their own quadrant.
They turned out to be right, but not quite for the reasons they put forth.
As a non-cosmologist, I'm unwilling to speculate on what "should" be out there, because my mental model is probably very wrong (keeping in mind that our best models of what's happening out there are also probably quite wrong).