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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