Single 3 minute frame of the Ring nebula (M57) in Lyra. This is a shell of gas expelled by a dying star. In the cropped version the remains of that star, a white dwarf, can be seen at the center of the ring.
Single 3 minute frame of the Ring nebula (M57) in Lyra. This is a shell of gas expelled by a dying star. In the cropped version the remains of that star, a white dwarf, can be seen at the center of the ring.