This image from NASA’s Chandra X-ray Observatory shows spiral galaxy NGC 7331, center, in a three-color X-ray image. Red, green and blue colors are used for low, medium and high-energy X-rays, respectively. An unusual supernova called SN 2014C has been spotted in this galaxy.
![Spiral Galaxy NGC 7331](https://ciera.northwestern.edu/wp-content/uploads/2019/12/PIA21089-1024x1024.png)
Credit: NASA/CXC/CIERA/R.Margutti et al
- Science