From the archive · March 05, 2014

Emanuele Berti interviewed by National Geographic

National Geographic spoke with Emanuele Berti about measuring the spin of a distant supermassive black hole.

In March 2014, National Geographic spoke with Emanuele Berti about the measurement of the spin of a supermassive black hole in a lensed quasar at redshift $z = 0.658$.

The original result was published in Nature.