written by michelle starr, on january 2nd, 2022
what: a picture capturing black holes
when: map created in early 2021
study published april 2021
who/where: Francesco de Gasperin of the University of Hamburg in Germany
astronomer Huub Röttgeringof Leiden Observatory in the Netherlands
interesting fact: the researchers were able to find ways to see low megahertz black holes through the radio waves of the ionosphere.
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