It must have been very difficult to get the Universe to stand still for this photograph, but the European Space Agency managed it . Check it out.
Here is a web site that shows you what the sky looks like when viewed in different wavelengths, or using different energy sources.
More like this
In the first post in this primer series we discussed the nature of electromagnetic radiation.
The human eye is sensitive to a portion of the electromagnetic spectrum that we call visible light, which extends from around 400 to 700 nanometer wavelength, peaking in the general vicinity of greenish light at 560 nanometers:
This year's "Flame Challenge" asks scientists to explain color in terms an 11-year-old can understand. The rules limit answers to either 300 words of text or a 6-minute video.
Earlier this week, I showcased the newly-released Hubble Ultra Deep Field in the infrared, and compared it with the older image of the same region taken in visible light.