Dani Marín at the La Caravana program of Ràdio Estel
The pre-doctoral researcher of the Institute of Cosmos Sciences of the University of Barcelona Dani Marín, accompanied the program La Caravana of Ràdio Estel last Wednesday, December 7 to talk about the discovery of the black hole that is closest to Earth, 1,600 light years away in the constellation of Ophiuchus or Serpentarius.