60-second Space
NASA Spacecraft's Census Tallies Millions of Black Holes
- Autor: Vários
- Narrador: Vários
- Editora: Podcast
- Duração: 0:01:16
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NASA's infrared WISE spacecraft found about 130 glowing black holes in a small region of space, meaning that at least two million active black holes dot the sky. John Matson reports
