núcleos

Said in one Spanish podcast line.

• anteriores. El objetivo principal era detectar núcleos galácticos activos, que son agujeros

  previous. The main objective was to detect active galactic nuclei, which are black holes.

  

  Hoy en el CosmosEl Campo Ultraprofundo del Hubble, 15 años después

The shows belong to their publishers, and each line plays from the publisher’s own file. Translations are machine-made. Spanish books and courses on Amazon (affiliate link).