Astronomy & Space Exploration Society

The foreground galaxy, (shown in blue) taken by the Hubble Space Telescope, acts as a gravitational lens. Surrounding it is the background galaxy, taken by the Atacama Large Millimeter Array, (shown in red). The alignment is so precise that the distant galaxy is distorted into a ring around the foreground galaxy; the ring formation known as an Einstein ring.

Want more information, check out APOD!