The oldest disk galaxy yet found formed more than 12 billion years ago

This newly described galaxy was in place just 1.5 billion years after the Big Bang

artist's illustration of a spiral galaxy called the Wolfe Disk

A galaxy called the Wolfe Disk (shown in this artist’s illustration) shines its light from just 1.5 billion years after the Big Bang.

S. Dagnello/NRAO, AUI, NSF

The oldest disk-shaped galaxy ever spotted formed just 1.5