Nature of Orion Nebula

The Orion Nebula, previously thought to be a simple cloud of gas, was discovered to contain clusters of faint stars. This finding indicated that stars are embedded in nebulous regions and contribute to the nebula's luminosity.
William Huggins England 1864
Nature of Orion Nebula

The Orion Nebula, previously thought to be a simple cloud of gas, was discovered to contain clusters of faint stars. This finding indicated that stars are embedded in nebulous regions and contribute to the nebula's luminosity.