A Hubble Space Telescope image of the giant galaxy M87 shows a 3,000-light-year-long jet of plasma blasting from the galaxy’s 6.5-billion-solar-mass central black hole. (Image: NASA)
Looking into the heart of galaxy M87 feels like staring into a cosm…
M87 black hole rotates at 80% max speed, nears cosmic speed threshold, feeds at 23% light speed
