Astronomers have found the most distant and energetic “odd radio circle” ever detected — a massive double-ringed radio structure nearly 10 billion years old. The discovery, made with the help of citizen scientists using LOFAR, challenges theories that these cosmic rings are caused by black hole mergers. Instead, researchers suggest galactic superwinds may be to blame.
Black holes have been caught “burping” up star remains in a discovery that raises more questions about these objects.
During the formation of a black hole a bright burst of energetic light is produced called a gamma-ray burst. Researchers have built the POLAR instrument to analyze GRBs. The first results reveal that high energy photons coming from GRBs are neither completely chaotic, nor completely organized, but a mixture of the two.
Swirling black holes at the center of the universe could be spewing out gravitational waves, according to a new study.
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