Space science
Dangerous deadly plasma flows from the black hole
Black holes sometimes fire giant plasma currents into the intergalactic space. This phenomenon helps us to know that black holes really exist, according to Seeker
V404 Cygni
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Articles about V404 Cygni
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Space science
The Earth is 7,800 light years away from the black hole V404 Cygni
Researcher Peter Jonker of the SRON Space Research Institute in the Netherlands said the black hole is named V404 Cygni about 7,800 light-years from our Earth.