Astronomers may have not yet found Cybertron but this "transforming" pulsar definitely has a shape-shifting double personality.
Using NASA's Fermi Gamma-Ray Space Telescope, an international team of researchers has observed a peculiar type of binary star system named AY Sextantis that consists of a rapidly-spinning millisecond pulsar - that is, a bright radio-beaming neutron star, the compacted corpse of a dead star that's since gone supernova - with a larger, low-mass star.
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The dense neutron star periodically slurps up material from its swollen companion as the two whirl around each other every 4.8 hours, but when too much material from the low-mass star crowds the accretion disk surrounding the neutron star it gets hot enough to glow in x-ray wavelengths.
At this point turbulence in the disk at a mere 50 miles above the surface of the spinning neutron star gets the superheated material caught up in powerful magnetic fields. The radio beacons are snuffed out as jets blast from the star's poles, crackling with gamma rays... AY Sextantis has transformed from a low-mass X-ray binary to a transient, compact, low-mass gamma-ray binary.