Colorful and wispy Sharpless 2-296 forms the “wings” of an area of the sky known as the Seagull Nebula — named for its resemblance to a gull in flight. This celestial bird contains a fascinating mix ...

Emission nebulae are glowing clouds of interstellar gas excited by hot, young stars within their folds. Because much of the emitted light is caused by intense ultraviolet radiation stripping electrons ...

This spectacular image of the Orion Nebula, complete with its incredibly rich star-formation region, was obtained from multiple exposures using the HAWK-I infrared camera on ESO’s Very Large Telescope ...

A new telescope image reveals a distant cosmic gas cloud that looks like a curious chicken with his head tilted in wonder of the universe. The image, taken by the European Southern Observatory's (ESO) ...

This image taken with the NASA/ESA Hubble Space Telescope showcases the emission nebula NGC 2313. Emission nebulae are bright, diffuse clouds of ionized gas that emit their own light. ESA/Hubble, R.

IN the course of a radio survey of bright emission nebulæ with the 1,500-ft. Sydney cross-aerial, some fourteen nebulæ were studied at a wave-length of 3.5 m. Six were probably observed in emission, ...