Barnard's Loop
Bucle de Barnard
- Date
- 1894 · confidence high
- Place
- Lick Observatory, Mount Hamilton, California, United States
- Credited to
- Edward Emerson Barnard
- Field
- Cosmos & Earth
What was discovered
A large arc-shaped emission nebula surrounding much of the constellation Orion, first photographed and described by astrophotography pioneer Barnard. It is thought to have originated from a supernova about two million years ago.
What it led to
- Confirmation of long-exposure astrophotography's power to reveal faint objects
- Studies of the Orion-Eridanus superbubble and star formation in Orion
Built on
- Astrophotography