NASA Emission Nebula

“A Nebula By Any Other Name

An apparent spammer in his comment on a post of mine mentioned that he was having trouble getting the RSS feed to work so I am not only testing the link but the apparent spammer as well. It is probably an attempt to get me to click on his site link and bypass the normal spam blocking process.

The image is an emission nebula as compared to a reflection nebula that reflects light from other stars. This type contains at least one bright star in its midst that provides the infrared light that makes it especially visible to the “WISE Explorer Observatory” that produced this image. For those interested in the specifics, the  infrared emissions from this nebula measured in microns in the 3.4 to 4.6 microns range indicates that the light is from within the nebula whereas infrared light in the 12 and 22 micron range is light reflected off of the dust within the nebula. Nebulae consist of dust and gas that are eventually used up in star formation if it is in a star forming  region. Otherwise the dust and gas are eventually dispersed by solar winds and radiation from stars that are relatively nearby.