While eight rings around the galaxy were discovered by the Hubble Telescope, astronomers confirmed a ninth ring using data from the WM Keck Observatory in Hawaii.
Assembled from a total of 7,398 exposures taken over 411 individual pointings of the telescope, this image of our nearest major galactic neighbor, M31, is the largest Hubble mosaic to date.
This stunning image of NGC 6951 is captured by NASA's Hubble Telescope. It is a barred spiral galaxy located in the constellation Cepheus. It is located at a distance of about 75 million light-years ...