An artist's rendering shows gas falling into a supermassive black hole, creating a quasar. Dana Berry/SkyWorks Digital; SDSS collaboration hide caption

toggle caption Dana Berry/SkyWorks Digital; SDSS collaboration

Solving The Mystery Of The Disappearing Quasar

  • Download
  • <iframe src="https://www.npr.org/player/embed/467826553/467860058" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript

The inset image shows X-ray arcs that astronomers say are signs of galactic burping in the Messier 51 galaxy system, captured by NASA's Chandra X-ray Observatory. X ray: NASA/CXC/Univ of Texas/E.Schlegel et al; Optical: NASA/STScI hide caption

toggle caption X ray: NASA/CXC/Univ of Texas/E.Schlegel et al; Optical: NASA/STScI