English: The camera is closing on the far side of the photon rings, the thin orange circles inside the broader disk, in this all-sky view. The camera’s speed also brightens light directly ahead, an effect of relativity called Doppler boosting, which makes the part of the disk in the center of the image look whiter. Between the disk and the photon rings, look for a distorted image of the starry background. The camera is some 31 million miles (50 million kilometers) away and moving inward at 41% the speed of light — nearly 275 million mph (442 million kph). Credit: NASA's Goddard Space Flight Center/J. Schnittman and B. Powell