Pulsar PSR B1929+10 seen by XMM-Newton

The faint pulsar PSR B1929+10 captured by the unrivalled sensitivity of ESA’s XMM-Newton orbiting X-ray observatory. It is speeding through space in the direction of the arrow at a speed of 177 kilometres per second. At this speed, the pulsar leaves a trail of X-ray emitting electron plasma stretching across space.