Some of the most prominent emission nebulae visible from the northern hemisphere ... Emission nebulae often have dark areas in them which result from clouds of dust ...
Editor's choices for the most educational Astronomy Pictures of the Day about emission nebulae: ... other similar emission nebulae, energetic ultraviolet light ...
These nebulae are usually red because the predominant emission line of hydrogen ... Emission nebulae are usually the sites of recent and ongoing star formation. ...
The HII regions (emission nebulae) are so named because they are composed mostly ... the red line of hydrogen, giving most emission nebulae a characteristic red glow. ...
Emission nebulae contain ionized gas (mostly ionized hydrogen) that produces ... In contrast to emission nebulae, reflection nebulae do not produce significant ...
Featuring nebulae of the ... planetary nebulae are a special kind of emission nebulae) ... Emission Nebulae: Emit light because the atoms in their gases ...
AAT 85. NGC 6618, the emission nebula Messier 17. UKS 22. The Milky Way south of Messier 17 ... AAT 105. IC 4628, emission nebula. UKS 10. NGC 6334 and NGC 6357 ...
EMISSION NEBULAE (Go to same images in list form -- faster download) In Sagittarius ... emission nebulae reflection nebulae dark nebulae planetary nebulae star ...