THIS DAY IN SCIENCE: 1st Woman Fly English Channel in 1947

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How We Know Black Holes Exist?

How We Know Black Holes Exist?

This video is about the astronomical amount of astronomical evidence for black holes, ranging from x-ray binaries with accretion disks, supermassive infrared-radiating galactic nuclei black holes, orbital characteristics of high mass binaries, and direct gravitational...
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