That fuzzy splotch, visible to the naked eye when it is really dark (and easily seen through binoculars) is the Orion Nebula. Throughout the nebula (which is about 30 light years wide), we see a ...

However, a prominent dark ring appearing "a little to the north of the ‘St. Lawrence River' region" - treating the North America Nebula as a map of its namesake - attracted his attention.

In 1962, American astronomer Beverly Lynds published a catalog of 1,802 dark nebulae, among which the 483rd, "Lynds 483," was captured by the James Webb Space Telescope (JWST). Located 650 light ...