Gemini Images: Emission NebulaeEmission nebulae are glowing clouds of interstellar gas which have been excited by some nearby energy source, usually a very hot star. The red light seen in many of these pictures is from glowing hydrogen.
The Gemini Project is an international collaboration between the United States of America, the United Kingdom, Canada, Chile, Australia, Argentina and Brazil. This collection of images related to the Gemini project is maintained by the National Optical Astronomy Observatory (NOAO). If you plan to use any of these images for other than your personal enjoyment, please read our conditions of use.
Last updated: Jun 1 2017