Sci Show: The white dots in this image are not stars or galaxies. They're black holes. Totalling 25,000 such dots, astronomers have created the most detailed map to date of black holes at low radio frequencies, an achievement that took years and a Europe-sized radio telescope to compile.

Sunday, February 21, 2021

The white dots in this image are not stars or galaxies. They're black holes. Totalling 25,000 such dots, astronomers have created the most detailed map to date of black holes at low radio frequencies, an achievement that took years and a Europe-sized radio telescope to compile.

https://ift.tt/3qIjDxQ via /r/science https://ift.tt/3un4wvO

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