A faint dwarf galaxy drifting 45 million light-years from Earth may have joined one of astronomy’s strangest clubs. It ...
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Supermassive black holes may be surrounded by dark matter clusters, 'echo map' technique suggests
A technique called echo mapping suggests supermassive black holes, like that at the heart of the Milky Way, are surrounded by ...
"Almost every galaxy in the universe is dominated by dark matter. But DF2, DF4, and now DF9 appear to be extraordinary ...
Two U.S. physicists have suggested that the nine concentric rings surrounding the galaxy LEDA 1313424, also known as the ...
Dark matter is often portrayed as a cosmic loner, interacting with itself and the rest of the universe only through gravity.
A new theory suggests the universe is constantly recording its own history in the fabric of spacetime. If correct, this ...
A new kind of dark matter could help explain some of the universe’s mysteries, a new study suggests. The study proposes that there are dense clumps of “self-interacting dark matter”, or SIDM, each ...
After decades of hunting, physicists still don’t know what makes up most of the universe’s matter. Now they need to cast a ...
Roughly 80 percent of the mass of the universe appears to be dark matter: an invisible material that seems to interact with ...
A black hole is a region of space where gravity is so strong that nothing, not even light, can escape. There are two main types of black hole; stellar mass and supermassive black holes, and they ...
Dark centre? A simulated version of the Milky Way galaxy. (Courtesy: AIP/ A. Khalatyan) Astronomers have long puzzled over the cause of a mysterious “glow” of very high energy gamma radiation ...
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