GW170104: a third detection of gravitational waves emitted by a binary black hole system
Results confirm new population of black holes
A third detection of gravitational waves, ripples in space …
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On September 12, 2016, at 21:44:07 UT, a -9.2 mag fireball appeared over northeastern Poland. The …
Spiral galaxies are the most common and well-studied type of galaxies in the Universe. In spite …


Black holes in active galaxies not only swallow matter, but they can also spurt it with …
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