Active black holes can emit a jet of particles as they feed on material that surrounds them. The team behind these new images ...
2hon MSN
Celestial standoff! Scientists capture the first image of two black holes circling each other
Astronomers spotted the celestial standoff in the heart of the galaxy OJ287, around five billion light-years from Earth.
Observations by a system of radio telescopes have offered the first visual evidence for the existence of black hole pairs.
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