A runaway dead star zooming through space at breakneck speeds has left behind a huge trail of matter and antimatter particles.
, the collapsed cores of stars that had a main sequence mass between about 8 and 30 times that of the Sun.
These stars are super dense, with powerful magnetic fields. A pulsar adds a high rotation rate to the mix; J2030 spins about three times a second, and that's not evenBecause J2030 is speeding through space, its wind is trailing along behind it. Ahead of it is a bow shock, close to an interstellar magnetic field line. Two or three decades ago, the bow shock seems to have slowed down, which means the star caught up with and punched through it.
The particles leaking out of the pulsar wind seem to have been accelerated along this interstellar magnetic field line to speeds about a third of the speed of light. This causes the beam to glow brightly in X-rays, as you can see above.
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