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19 hours ago · Dark matter aggregation and dense dark matter objects. If dark matter is composed of weakly interacting particles, then an obvious question is whether it can form objects equivalent to planets, stars, or black holes. Historically, the answer has been it cannot, because of two factors:
1 day ago · Dark matter annihilation releases thermal energy into these dead star traps, so the team also looked at how long it would take neutron stars and the dark matter they capture to reach a state called "thermal equilibrium." This is the point at which two substances reach the same temperature, and heat no longer flows between them.
1 day ago · Dark Matter and Dark Energy. Dark matter pulls galaxies together, while dark energy pushes them apart. Astronomers measure the universe's expansion using the...
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19 hours ago · Dark matter has been around the universe since the beginning of time, pulling stars and galaxies together. Invisible and subtle, it doesn't seem to interact with light or any other kind of matter.
1 day ago · In their paper, Ph.D. candidate Jinzheng Li and professor Pran Nath had to model both the Big Bang and a series of interactions in order to reverse engineer the role of dark matter.They tested the ...
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1 day ago · Detecting dark matter particles is no easy task, given their elusive nature. Scientists use a variety of methods to try and detect dark matter, including direct and indirect detection techniques. Direct detection involves looking for the interactions between dark matter particles and ordinary matter, while indirect detection involves looking ...
2 days ago · Dark Matter and Dark Energy. Read what astronomers are discovering about a gaping hole in the universe, how dark matter clumps contribute to galaxy formation and more. Space images.
