The Sombrero spiral galaxy composed of a brilliant white core encircled by thick dust lanes. The galaxy is light-years across and 28 million light years from Earth. Photo by NASA and The Hubble Heritage Team (STScI/AURA)
Comet West - This photograph of Comet West, one of the greatest comets of all-time, was taken by amateur astronomer John Laborde. The picture shows the two distinct tails. The thin blue ion tail is made up of gases, while the broad white tail is made up of tiny dust particles.