X-ray 'heartbeat' may reveal smallest black hole ever found
X-ray 'heartbeat' may reveal smallest black hole ever found,MAXI News,Resonant inelastic X-ray scattering as a probe of Jeff = 1/2,RIXS spectra of Pb-Bi2212.: (a) RIXS scattering geometry,Cygnus X-1 – Constellation Guide,