Tag Archives: matter

The Milky Way Core

The current scientific consensus is that a supermassive black hole lurks at the center of our galaxy. We know that’s true in other galaxies — there’s even photographic evidence of a black hole in M87. However, a new study suggests that the Milky Way might not have a black hole. …

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The Milky Way Dark Matter

The current scientific consensus is that a supermassive black hole lurks at the center of our galaxy. We know that’s true in other galaxies — there’s even photographic evidence of a black hole in M87. However, a new study suggests that the Milky Way might not have a black hole. …

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Light Dark Matter

Dark matter with masses below 1 GeV can scatter, become captured, deposit annihilation energy, and increase the heat flow within extrasolar gas giants, rogue planets and brown dwarfs peppered throughout the Milky Way Galaxy, according to a paper published in the journal Physical Review Letters. Leane Smirnov suggest light dark …

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Spinning Black Holes

    (Credit: Robin Dienel/Carnegie Institution for Science)We are constantly learning new things about the universe, but the more we know, the clearer it becomes that we’re missing pieces of the puzzle. The possible existence of dark matter is one of the more vexing missing pieces, but a team from …

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Organic Matter And Water

An international team of scientists has studied both the water and organic contents from a dust particle recovered from the surface of the near-Earth S-type asteroid 25143 Itokawa by JAXA’s Hayabusa mission, which was the first mission that brought pristine asteroidal materials to Earth. The S-type asteroid Itokawa. Image credit: …

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Daily Caffeine Intake

Caffeine, a psychostimulant commonly used to combat high sleep pressure on a daily basis, alters gray matter structures; however, the effect appears to be temporary, according to new research from the University of Basel. Lin et al. examined whether daily caffeine intake affects human gray matter through the mediation of …

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Physicists Active Matter

Named a swirlonic state, the newly-discovered state of active matter is comprised of swirlons, formed by groups of active quasiparticles orbiting their common center of mass. Swirlons demonstrate a surprising behavior: in response to an external load they move with a constant velocity proportional to the applied force, just as …

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Dark Matter In Universe

In a new paper in the journal Physical Review Letters, an international team of theoretical physicists described a scenario for the formation of primordial black holes from vacuum bubbles in the early Universe and discussed its intriguing realization that can naturally account for all of the dark matter. ‘Baby universes’ …

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Origin of Dark Matter

In a paper published this month in the journal Physical Review Letters, an international team of physicists described a new mechanism of dark matter production. Baker et al. described a new mechanism of dark matter production: if dark matter particles acquire mass during a first order phase transition, it is …

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