X-Ray Pulsar Pair Caught Morphing - Video

It’s like watching siblings tussle: Astronomers have finally witnessed a long-sought example of pulsar evolution. Designated PSR J1824-2452I, this X-ray Binary is being spun up to millisecond speeds by a tiny companion, 1/5th the Sun’s mass.

Credit: CSIRO Astronomy and Space Science / Music: Atom Strange