Months after arriving in orbit thanks to a Falcon 9 rocket launch from Vandenberg Space Force Base, NASA’s newest space ...

Emission nebula: The Orion Nebula . A diffuse nebula with ongoing star formation, the gas here is hot enough to glow with its own light. (Image credit: NASA and The Hubble Heritage Team (STScI)) ...

One of the largest emission nebulae in the far northern sky can be found in IC 1396, a bright glow in Cepheus that contains several complex objects. Among them are the red supergiant star Mu ...

Learn more about how the Vera C. Rubin Observatory will capture more of our stunning universe.

With binoculars or a wide-field scope, emission nebula IC 1396 is a vast playground, filled with many other interesting objects. Skip to content Introducing the all-new Astronomy.com Forum!

Harder to discern without a telescope is the reflection nebula surrounding the cluster. Emission Nebulae. Many nebulae have high-energy stars inside, or a massive explosion in their past.

Many scientific terms are very specific, but the term nebula is, well, nebulous. In a very generic sense, it simply means a fuzzy thing. But there are a wide variety of astronomi ...