We see the extent of the curtains, which now resemble wild honeycomb; and Jacob, who stands beneath, looking up. He can't see anything, but he is perfectly welcome to tilt his eyes in any direction. They act as wishing wells, and his thoughts as pennies; if you have any belief in the future, you know that a wish as is good as an act (especially in uncertain circumstances, ruled by unknown physics).
Our world was puny and finite in comparison to theirs.